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Contrasting Results

ForecastOfT module-attribute 

ForecastOfT = Literal['mu', 'sigma', 'closed', 'adj_price']

Contrast

Bases: dict

Source code in passengersim/contrast.py 
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class Contrast(dict):
    def apply(
        self,
        func: Callable,
        axis: int | Literal["index", "columns", "rows"] = 0,
        warn_if_missing: bool = False,
    ) -> pd.DataFrame | pd.Series:
        data = {}
        for k, v in self.items():
            if v is not None:
                data[k] = func(v)
            else:
                if warn_if_missing:
                    warnings.warn(f"no data found for {k!r}", stacklevel=2)
        try:
            return pd.concat(data, axis=axis, names=["source"])
        except TypeError:
            return pd.Series(data).rename_axis(index="source")

    def __getattr__(self, attr):
        if attr.startswith("fig_"):
            g = globals()
            if attr in g:
                return partial(g[attr], self)
                # return lambda *a, **k: g[attr](self, *a, **k)
        raise AttributeError(attr)

    def __dir__(self):
        x = set(super().__dir__())
        x |= {g for g in globals() if g.startswith("fig_")}
        return sorted(x)

    def write_report(self, filename: PathLike, **kwargs) -> pathlib.Path:
        from passengersim.reporting.contrast import to_html

        return to_html(self, filename, **kwargs)

__dir__ 

__dir__()
Source code in passengersim/contrast.py 
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def __dir__(self):
    x = set(super().__dir__())
    x |= {g for g in globals() if g.startswith("fig_")}
    return sorted(x)

__getattr__ 

__getattr__(attr)
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def __getattr__(self, attr):
    if attr.startswith("fig_"):
        g = globals()
        if attr in g:
            return partial(g[attr], self)
            # return lambda *a, **k: g[attr](self, *a, **k)
    raise AttributeError(attr)

apply 

apply(
    func: Callable,
    axis: int | Literal["index", "columns", "rows"] = 0,
    warn_if_missing: bool = False,
) -> DataFrame | Series
Source code in passengersim/contrast.py 
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def apply(
    self,
    func: Callable,
    axis: int | Literal["index", "columns", "rows"] = 0,
    warn_if_missing: bool = False,
) -> pd.DataFrame | pd.Series:
    data = {}
    for k, v in self.items():
        if v is not None:
            data[k] = func(v)
        else:
            if warn_if_missing:
                warnings.warn(f"no data found for {k!r}", stacklevel=2)
    try:
        return pd.concat(data, axis=axis, names=["source"])
    except TypeError:
        return pd.Series(data).rename_axis(index="source")

write_report 

write_report(filename: PathLike, **kwargs) -> Path
Source code in passengersim/contrast.py 
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def write_report(self, filename: PathLike, **kwargs) -> pathlib.Path:
    from passengersim.reporting.contrast import to_html

    return to_html(self, filename, **kwargs)

MultiContrast

Bases: dict

Source code in passengersim/contrast.py 
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class MultiContrast(dict):
    def __getattr__(self, attr):
        if attr.startswith("fig_"):
            g = globals()
            if attr in g:
                alter_defaults = {}
                if attr in [
                    "fig_carrier_revenues",
                    "fig_carrier_yields",
                    "fig_carrier_total_bookings",
                    "fig_carrier_load_factors",
                ]:
                    alter_defaults["width"] = 300

                def fig_func(*args, **kwargs):
                    figs = {}
                    kwargs.update(alter_defaults)
                    report = kwargs.pop("report", None)
                    trace = kwargs.pop("trace", None)
                    if trace:
                        raise NotImplementedError("trace not implemented")
                    for k, v in self.items():
                        if v is not None:
                            figs[k] = partial(g[attr], v)(*args, **kwargs)
                    fig, title = self._hconcat(figs)
                    if report:
                        report.add_figure(title=title, fig=fig)
                    return fig

                return fig_func
        raise AttributeError(attr)

    def __dir__(self):
        x = set(super().__dir__())
        x |= {g for g in globals() if g.startswith("fig_")}
        return sorted(x)

    @staticmethod
    def _hconcat(charts: dict[str, alt.Chart]) -> tuple[alt.HConcatChart, str]:
        if not charts:
            raise ValueError("no charts to concatenate")
        queue = []
        title = ""
        for k, c in charts.items():
            if c is None:
                warnings.warn(f"no data found for {k!r}", stacklevel=2)
                continue
            config = c._kwds.get("config", alt.Undefined)
            c._kwds["config"] = alt.Undefined
            title = c._kwds.get("title", "")
            c._kwds["title"] = f"{k} {title}"
            queue.append(c)
        if not queue:
            raise ValueError("no charts to concatenate")
        result = alt.hconcat(*queue)
        result._kwds["config"] = config
        return result, title

__dir__ 

__dir__()
Source code in passengersim/contrast.py 
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def __dir__(self):
    x = set(super().__dir__())
    x |= {g for g in globals() if g.startswith("fig_")}
    return sorted(x)

__getattr__ 

__getattr__(attr)
Source code in passengersim/contrast.py 
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def __getattr__(self, attr):
    if attr.startswith("fig_"):
        g = globals()
        if attr in g:
            alter_defaults = {}
            if attr in [
                "fig_carrier_revenues",
                "fig_carrier_yields",
                "fig_carrier_total_bookings",
                "fig_carrier_load_factors",
            ]:
                alter_defaults["width"] = 300

            def fig_func(*args, **kwargs):
                figs = {}
                kwargs.update(alter_defaults)
                report = kwargs.pop("report", None)
                trace = kwargs.pop("trace", None)
                if trace:
                    raise NotImplementedError("trace not implemented")
                for k, v in self.items():
                    if v is not None:
                        figs[k] = partial(g[attr], v)(*args, **kwargs)
                fig, title = self._hconcat(figs)
                if report:
                    report.add_figure(title=title, fig=fig)
                return fig

            return fig_func
    raise AttributeError(attr)

fig_bid_price_history 

fig_bid_price_history(
    summaries,
    *,
    by_carrier: bool | str = True,
    show_stdev: float | bool | None = None,
    cap: Literal["some", "zero", None] = None,
    raw_df: bool = False,
    title: str | None = "Bid Price History",
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_bid_price_history(
    summaries,
    *,
    by_carrier: bool | str = True,
    show_stdev: float | bool | None = None,
    cap: Literal["some", "zero", None] = None,
    raw_df: bool = False,
    title: str | None = "Bid Price History",
):
    if cap is None:
        bp_mean = "bid_price_mean"
    elif cap == "some":
        bp_mean = "some_cap_bid_price_mean"
    elif cap == "zero":
        bp_mean = "zero_cap_bid_price_mean"
    else:
        raise ValueError(f"cap={cap!r} not in ['some', 'zero', None]")

    if not isinstance(by_carrier, str) and show_stdev:
        raise NotImplementedError(
            "contrast.fig_bid_price_history with show_stdev requires "
            "looking at a single carrier (set `by_carrier`)"
        )
    df = _assemble(
        summaries,
        "bid_price_history",
        by_carrier=by_carrier,
        show_stdev=show_stdev,
        cap=cap,
    )
    if raw_df:
        return df

    line_encoding = dict(
        x=alt.X("days_prior:Q").scale(reverse=True).title("Days Prior to Departure"),
        y=alt.Y(bp_mean, title="Bid Price"),
        color="source:N",
    )
    chart = alt.Chart(df)
    fig = chart.mark_line(interpolate="step-before").encode(**line_encoding)
    if show_stdev:
        area_encoding = dict(
            x=alt.X("days_prior:Q")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            y=alt.Y("bid_price_lower:Q", title="Bid Price"),
            y2=alt.Y2("bid_price_upper:Q", title="Bid Price"),
            color="source:N",
        )
        bound = chart.mark_area(
            opacity=0.1,
            interpolate="step-before",
        ).encode(**area_encoding)
        bound_line = chart.mark_line(
            opacity=0.4, strokeDash=[5, 5], interpolate="step-before"
        ).encode(
            x=alt.X("days_prior:Q")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            color="source:N",
        )
        top_line = bound_line.encode(y=alt.Y("bid_price_lower:Q", title="Bid Price"))
        bottom_line = bound_line.encode(y=alt.Y("bid_price_upper:Q", title="Bid Price"))
        fig = fig + bound + top_line + bottom_line
    if not isinstance(by_carrier, str):
        fig = fig.properties(height=125, width=225).facet(facet="carrier:N", columns=2)
        if title:
            fig = fig.properties(title=title)
    else:
        if title:
            title = f"{title} ({by_carrier})"
            fig = fig.properties(title=title)
    return fig

fig_bookings_by_timeframe 

fig_bookings_by_timeframe(
    summaries: dict[str, SummaryTables],
    by_carrier: bool | str = True,
    by_class: bool | str = False,
    raw_df=False,
    source_labels: bool = False,
    ratio: str | bool = False,
) -> Chart | DataFrame

Generate a figure contrasting bookings by timeframe for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –

    One or more SummaryTables to compare. The keys of this dictionary are the text names used to label the "source" for each set of data in the figure.

  • by_carrier (bool or str, default: True ) –

    Whether to differentiate carriers by colors (the default) or give the name of a particular carrier as a string to filter the results shown in the figure to only that one carrier.

  • by_class (bool or str, default: False ) –

    Whether to differentiate booking class by colors (the default) or give the name of a particular booking class as a string to filter the results shown in the figure to only that one booking class.

  • raw_df (bool, default: False ) –

    Set to true to return the raw dataframe used to generate the figure, instead of the figure itself.

  • source_labels (bool, default: False ) –

    Write source labels above the columns of the figure. Source labels are also available as tool tips, but if the figure is being shared as an image without tooltips, the source labels may make it easier to interpret.

  • ratio (str or bool, default: False ) –

    Compute ratios against a reference point and display them in tooltips.

Other Parameters:

  • report (Reporter) –

    Giving a reporter for this keyword only argument allow you to automatically append this figure to the report (in addition to returning it for display or other processing).

  • trace (ExcelWriter or (ExcelWriter, str)) –

    Write the raw dataframe backing this figure to the Excel workbook.

Source code in passengersim/contrast.py 
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@report_figure
def fig_bookings_by_timeframe(
    summaries: dict[str, SummaryTables],
    by_carrier: bool | str = True,
    by_class: bool | str = False,
    raw_df=False,
    source_labels: bool = False,
    ratio: str | bool = False,
) -> alt.Chart | pd.DataFrame:
    """
    Generate a figure contrasting bookings by timeframe for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
        One or more SummaryTables to compare. The keys of this dictionary are the
        text names used to label the "source" for each set of data in the figure.
    by_carrier : bool or str, default True
        Whether to differentiate carriers by colors (the default) or give the name
        of a particular carrier as a string to filter the results shown in the
        figure to only that one carrier.
    by_class : bool or str, default False
        Whether to differentiate booking class by colors (the default) or give the
        name of a particular booking class as a string to filter the results shown
        in the figure to only that one booking class.
    raw_df : bool, default False
        Set to true to return the raw dataframe used to generate the figure, instead
        of the figure itself.
    source_labels : bool, default False
        Write source labels above the columns of the figure. Source labels are also
        available as tool tips, but if the figure is being shared as an image without
        tooltips, the source labels may make it easier to interpret.
    ratio : str or bool, default False
        Compute ratios against a reference point and display them in tooltips.

    Other Parameters
    ----------------
    report : xmle.Reporter, optional
        Giving a reporter for this keyword only argument allow you to automatically
        append this figure to the report (in addition to returning it for display
        or other processing).
    trace : pd.ExcelWriter or (pd.ExcelWriter, str), optional
        Write the raw dataframe backing this figure to the Excel workbook.
    """
    if by_carrier is True and by_class is True:
        raise NotImplementedError("comparing by both class and carrier is messy")
    df = _assemble(
        summaries, "bookings_by_timeframe", by_carrier=by_carrier, by_class=by_class
    )
    source_order = list(summaries.keys())

    title = "Bookings by Timeframe"
    if by_class is True:
        title = "Bookings by Timeframe and Booking Class"
    title_annot = []
    if isinstance(by_carrier, str):
        title_annot.append(by_carrier)
    if isinstance(by_class, str):
        title_annot.append(f"Class {by_class}")
    if title_annot:
        title = f"{title} ({', '.join(title_annot)})"

    against = source_order[0]
    ratio_tooltips = ()
    if ratio:
        if isinstance(ratio, str):
            against = ratio
        idx = list(
            {"source", "carrier", "segment", "days_prior", "booking_class"}
            & set(df.columns)
        )
        df_ = df.set_index(idx)
        ratios = df_.div(df_.query(f"source == '{against}'").droplevel("source")) - 1.0
        ratios.columns = ["ratio"]
        df = df.join(ratios, on=idx)
        ratio_tooltips = (alt.Tooltip("ratio:Q", title=f"vs {against}", format=".3%"),)

    if raw_df:
        df.attrs["title"] = title
        return df

    if by_class:
        if isinstance(by_class, str):
            color = alt.Color("source:N", title="Source", sort=source_order).title(
                "Source"
            )
            tooltips = ()
        else:
            color = alt.Color("booking_class:N").title("Booking Class")
            tooltips = (alt.Tooltip("booking_class", title="Booking Class"),)
        chart = alt.Chart(df.sort_values("source", ascending=False))
        chart_1 = chart.mark_bar().encode(
            color=color,
            x=alt.X("days_prior:O")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
            y=alt.Y("bookings", stack=True),
            tooltip=[
                alt.Tooltip("source:N", title="Source"),
                alt.Tooltip("segment", title="Passenger Segment"),
                *tooltips,
                alt.Tooltip("days_prior", title="DfD"),
                alt.Tooltip("bookings", format=".2f"),
                *ratio_tooltips,
            ],
        )
        chart_2 = chart.mark_text(
            color="#616161",
            yOffset=-2,
            angle=270,
            fontSize=8,
            baseline="middle",
            align="left",
        ).encode(
            text=alt.Text("source:N", title="Source"),
            x=alt.X("days_prior:O")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
            # shape=alt.Shape("source:N", title="Source", sort=source_order),
            y=alt.Y("sum(bookings)", title=None),
        )
        return (
            ((chart_1 + chart_2) if source_labels else chart_1)
            .properties(
                width=500,
                height=200,
            )
            .facet(
                row=alt.Row("segment:N", title="Passenger Segment"),
                title=title,
            )
        )
    elif by_carrier is True:
        return (
            alt.Chart(df.sort_values("source", ascending=False))
            .mark_bar()
            .encode(
                color=alt.Color("carrier:N").title("Carrier"),
                x=alt.X("days_prior:O")
                .scale(reverse=True)
                .title("Days Prior to Departure"),
                xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
                y=alt.Y("bookings", stack=True),
                tooltip=[
                    alt.Tooltip("source:N", title="Source"),
                    alt.Tooltip("segment", title="Passenger Segment"),
                    alt.Tooltip("carrier", title="Carrier"),
                    alt.Tooltip("days_prior", title="DfD"),
                    alt.Tooltip("bookings", format=".2f"),
                    *ratio_tooltips,
                ],
            )
            .properties(
                width=500,
                height=200,
            )
            .facet(
                row=alt.Row("segment:N", title="Passenger Segment"),
                title=title,
            )
        )
    else:
        return (
            alt.Chart(df.sort_values("source", ascending=False), title=title)
            .mark_line()
            .encode(
                color=alt.Color("source:N", title="Source", sort=source_order),
                x=alt.X("days_prior:O")
                .scale(reverse=True)
                .title("Days Prior to Departure"),
                y="bookings",
                strokeDash=alt.StrokeDash("segment").title("Passenger Segment"),
                strokeWidth=alt.StrokeWidth(
                    "source:N", title="Source", sort=source_order
                ),
                tooltip=[
                    alt.Tooltip("source:N", title="Source"),
                    alt.Tooltip("segment", title="Passenger Segment"),
                    alt.Tooltip("days_prior", title="DfD"),
                    alt.Tooltip("bookings", format=".2f"),
                    *ratio_tooltips,
                ],
            )
            .properties(
                width=500,
                height=300,
            )
            .configure_axis(
                labelFontSize=12,
                titleFontSize=12,
            )
            .configure_legend(
                titleFontSize=12,
                labelFontSize=15,
            )
        )

fig_carrier_load_factors 

fig_carrier_load_factors(
    summaries: dict[str, SummaryTables],
    raw_df: bool = False,
    load_measure: Literal[
        "sys_lf", "avg_leg_lf"
    ] = "sys_lf",
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier load factors for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • load_measure ((sys_lf, avg_leg_lf), default: 'sys_lf' ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: "all" ) –

    Add tooltip(s) giving the percentage change of each carrier's load factor to the load factor of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_load_factors(
    summaries: dict[str, SummaryTables],
    raw_df: bool = False,
    load_measure: Literal["sys_lf", "avg_leg_lf"] = "sys_lf",
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier load factors for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    load_measure : {'sys_lf', 'avg_leg_lf'}, default 'sys_lf'
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default "all"
        Add tooltip(s) giving the percentage change of each carrier's load factor
        to the load factor of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.


    Returns
    -------
    alt.Chart or pd.DataFrame
    """
    measure_name = {
        "sys_lf": "System Load Factor",
        "avg_leg_lf": "Leg Load factor",
    }.get(load_measure, "Load Factor")
    df = _assemble(summaries, "carrier_load_factors", load_measure=load_measure)
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = f"Carrier {measure_name}s"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure=load_measure,
        measure_name=measure_name,
        measure_format=".2f",
        orient=orient,
        title=f"Carrier {measure_name}s",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_carrier_local_share 

fig_carrier_local_share(
    summaries,
    load_measure: Literal[
        "bookings", "leg_pax"
    ] = "bookings",
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier local shares for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: True ) –

    Add tooltip(s) giving the percentage change of each carrier's local share to the local share of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_local_share(
    summaries,
    load_measure: "Literal['bookings', 'leg_pax']" = "bookings",
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier local shares for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default True
        Add tooltip(s) giving the percentage change of each carrier's local share
        to the local share of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.

    Returns
    -------
    alt.Chart or pd.DataFrame
    """
    measure_name = (
        "Local Percent of Bookings"
        if load_measure == "bookings"
        else "Local Percent of Leg Passengers"
    )
    m = "local_pct_bookings" if load_measure == "bookings" else "local_pct_leg_pax"
    df = _assemble(summaries, "carrier_local_share", load_measure=load_measure)
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier RASM"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure=m,
        measure_name=measure_name,
        measure_format=".2f",
        orient=orient,
        title=f"Carrier {measure_name}",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_carrier_rasm 

fig_carrier_rasm(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier RASM for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: True ) –

    Add tooltip(s) giving the percentage change of each carrier's yield to the yield of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_rasm(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier RASM for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default True
        Add tooltip(s) giving the percentage change of each carrier's yield
        to the yield of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.

    Returns
    -------
    alt.Chart or pd.DataFrame
    """
    df = _assemble(summaries, "carrier_rasm")
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier RASM"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure="rasm",
        measure_name="Revenue per Available Seat Mile",
        measure_format="$.4f",
        orient=orient,
        title="Carrier Revenue per Available Seat Mile (RASM)",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_carrier_revenues 

fig_carrier_revenues(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier revenues for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: True ) –

    Add tooltip(s) giving the percentage change of each carrier's revenue to the revenue of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_revenues(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier revenues for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default True
        Add tooltip(s) giving the percentage change of each carrier's revenue
        to the revenue of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.

    Returns
    -------
    alt.Chart or pd.DataFrame
    """
    df = _assemble(summaries, "carrier_revenues")
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier Revenues"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure="avg_rev",
        measure_name="Revenue ($)",
        measure_format="$.4s",
        orient=orient,
        title="Carrier Revenues",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_carrier_total_bookings 

fig_carrier_total_bookings(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier total bookings for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: "all" ) –

    Add tooltip(s) giving the percentage change of each carrier's bookings to the bookings of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_total_bookings(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier total bookings for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default "all"
        Add tooltip(s) giving the percentage change of each carrier's bookings
        to the bookings of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.

    Returns
    -------
    alt.Chart or pd.DataFrame
    """

    df = _assemble(summaries, "carrier_total_bookings")
    # correct for variable name differences; the "avg_sold" column
    # is called "sold" in some older summaries
    if "sold" in df.columns:
        if "avg_sold" in df.columns:
            df["avg_sold"] = df["avg_sold"].fillna(df["sold"])
            df = df.drop(columns="sold")
        else:
            df = df.rename(columns={"sold": "avg_sold"})
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier Total Bookings"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure="avg_sold",
        measure_name="Bookings",
        measure_format=".4s",
        orient=orient,
        title="Carrier Total Bookings",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_carrier_yields 

fig_carrier_yields(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
)

Generate a figure contrasting carrier yields for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –
  • raw_df (bool, default: False ) –
  • orient ((h, v), default: 'h' ) –
  • ratio (bool or str, default: True ) –

    Add tooltip(s) giving the percentage change of each carrier's yield to the yield of the same carrier in the other summaries. Can be the key giving a specific summary to compare against, or 'all' to compare against all other summaries.

Returns:

  • Chart or DataFrame –
Source code in passengersim/contrast.py 
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@report_figure
def fig_carrier_yields(
    summaries,
    raw_df=False,
    orient: Literal["h", "v"] = "h",
    ratio: str | bool = "all",
    *,
    width: int = 500,
):
    """
    Generate a figure contrasting carrier yields for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
    raw_df : bool, default False
    orient : {'h', 'v'}, default 'h'
    ratio : bool or str, default True
        Add tooltip(s) giving the percentage change of each carrier's yield
        to the yield of the same carrier in the other summaries.  Can be
        the key giving a specific summary to compare against, or 'all' to
        compare against all other summaries.

    Returns
    -------
    alt.Chart or pd.DataFrame
    """

    df = _assemble(summaries, "carrier_yields")
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier Yields"
        return df
    return _fig_carrier_measure(
        df,
        source_order,
        load_measure="yield",
        measure_name="Yield ($)",
        measure_format="$.4f",
        orient=orient,
        title="Carrier Yields",
        ratio=ratio,
        ratio_all=(ratio == "all"),
        width=width,
    )

fig_demand_to_come 

fig_demand_to_come(
    summaries: Contrast,
    func: Literal["mean", "std"]
    | list[Literal["mean", "std"]] = "mean",
    *,
    raw_df=False,
    title: str | None = "Demand to Come",
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_demand_to_come(
    summaries: Contrast,
    func: Literal["mean", "std"] | list[Literal["mean", "std"]] = "mean",
    *,
    raw_df=False,
    title: str | None = "Demand to Come",
):
    def dtc_seg(s):
        if s is None:
            return pd.DataFrame(columns=["segment"])
        sum_on = []
        if "orig" in s.index.names:
            sum_on.append("orig")
        if "dest" in s.index.names:
            sum_on.append("dest")
        if sum_on:
            s = s.groupby(s.index.names.difference(sum_on)).sum()
        return s

    def get_values(s, which="mean"):
        if isinstance(s, SummaryTables):
            result = getattr(s, "demand_to_come_summary", None)
            if result is None:
                result = dtc_seg(s.demand_to_come).groupby("segment", observed=False)
                result = result.mean() if which == "mean" else result.std()
                result = result.stack()
                return result
            else:
                if which == "mean":
                    return result["mean_future_demand"]
                elif which == "std":
                    return result["stdev_future_demand"]
                else:
                    raise ValueError(f"which must be in [mean, std] not {which}")
        elif isinstance(s, SimTabDemandToCome):
            result = s.demand_to_come_summary
            if which == "mean":
                return result["mean_future_demand"]
            elif which == "std":
                return result["stdev_future_demand"]
            else:
                raise ValueError(f"which must be in [mean, std] not {which}")

    if isinstance(func, list):
        if raw_df:
            raise NotImplementedError
        fig = fig_demand_to_come(summaries, func[0], raw_df=raw_df, title=None)
        for f in func[1:]:
            fig |= fig_demand_to_come(summaries, f, raw_df=raw_df, title=None)
        if title:
            fig = fig.properties(title=title)
        return fig

    if func == "mean":
        y_title = "Mean Demand to Come"
        demand_to_come_by_segment = summaries.apply(
            lambda s: get_values(s, "mean"), axis=1, warn_if_missing=True
        )
        demand_to_come_by_segment.index.names = ["segment", "days_prior"]
        df = demand_to_come_by_segment.stack().rename("dtc").reset_index()
    elif func == "std":
        y_title = "Std Dev Demand to Come"
        demand_to_come_by_segment = summaries.apply(
            lambda s: get_values(s, "std"), axis=1, warn_if_missing=True
        )
        demand_to_come_by_segment.index.names = ["segment", "days_prior"]
        df = demand_to_come_by_segment.stack().rename("dtc").reset_index()
    else:
        raise ValueError(f"func must be in [mean, std] not {func}")
    if raw_df:
        return df
    fig = (
        alt.Chart(df)
        .mark_line()
        .encode(
            x=alt.X("days_prior:O")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            y=alt.Y("dtc:Q").title(y_title),
            color="segment:N",
            strokeDash="source:N",
        )
    )
    if title:
        fig = fig.properties(title=title)
    return fig

fig_displacement_history 

fig_displacement_history(
    summaries,
    *,
    by_carrier: bool | str = True,
    show_stdev: float | bool | None = None,
    raw_df: bool = False,
    title: str | None = "Displacement Cost History",
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_displacement_history(
    summaries,
    *,
    by_carrier: bool | str = True,
    show_stdev: float | bool | None = None,
    raw_df: bool = False,
    title: str | None = "Displacement Cost History",
):
    if not isinstance(by_carrier, str) and show_stdev:
        raise NotImplementedError(
            "contrast.fig_displacement_history with show_stdev requires "
            "looking at a single carrier (set `by_carrier`)"
        )
    df = _assemble(
        summaries,
        "displacement_history",
        by_carrier=by_carrier,
        show_stdev=show_stdev,
    )
    if raw_df:
        return df

    line_encoding = dict(
        x=alt.X("days_prior:Q").scale(reverse=True).title("Days Prior to Departure"),
        y=alt.Y("displacement_mean", title="Displacement Cost"),
        color="source:N",
    )
    chart = alt.Chart(df)
    fig = chart.mark_line(interpolate="step-before").encode(**line_encoding)
    if show_stdev:
        area_encoding = dict(
            x=alt.X("days_prior:Q")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            y=alt.Y("displacement_lower:Q", title="Displacement Cost"),
            y2=alt.Y2("displacement_upper:Q", title="Displacement Cost"),
            color="source:N",
        )
        bound = chart.mark_area(
            opacity=0.1,
            interpolate="step-before",
        ).encode(**area_encoding)
        bound_line = chart.mark_line(
            opacity=0.4, strokeDash=[5, 5], interpolate="step-before"
        ).encode(
            x=alt.X("days_prior:Q")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            color="source:N",
        )
        top_line = bound_line.encode(
            y=alt.Y("displacement_lower:Q", title="Displacement Cost")
        )
        bottom_line = bound_line.encode(
            y=alt.Y("displacement_upper:Q", title="Displacement Cost")
        )
        fig = fig + bound + top_line + bottom_line
    if not isinstance(by_carrier, str):
        fig = fig.properties(height=125, width=225).facet(facet="carrier:N", columns=2)
        if title:
            fig = fig.properties(title=title)
    else:
        if title:
            title = f"{title} ({by_carrier})"
            fig = fig.properties(title=title)
    return fig

fig_fare_class_mix 

fig_fare_class_mix(
    summaries, raw_df=False, label_threshold=0.06
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_fare_class_mix(summaries, raw_df=False, label_threshold=0.06):
    df = _assemble(summaries, "fare_class_mix")
    source_order = list(summaries.keys())
    if raw_df:
        df.attrs["title"] = "Carrier Fare Class Mix"
        return df
    import altair as alt

    label_threshold_value = (
        df.groupby(["carrier", "source"]).avg_sold.sum().max() * label_threshold
    )
    chart = alt.Chart(df).transform_calculate(
        halfsold="datum.avg_sold / 2.0",
    )
    bars = chart.mark_bar().encode(
        x=alt.X("source:N", title="Source", sort=source_order),
        y=alt.Y("avg_sold:Q", title="Seats").stack("zero"),
        color="booking_class",
        tooltip=[
            "source",
            "booking_class",
            alt.Tooltip("avg_sold", format=".2f"),
        ],
    )
    text = chart.mark_text(dx=0, dy=3, color="white", baseline="top").encode(
        x=alt.X("source:N", title="Source", sort=source_order),
        y=alt.Y("avg_sold:Q", title="Seats").stack("zero"),
        text=alt.Text("avg_sold:Q", format=".2f"),
        opacity=alt.condition(
            f"datum.avg_sold < {label_threshold_value:.3f}",
            alt.value(0),
            alt.value(1),
        ),
        order=alt.Order("booking_class:N", sort="descending"),
    )
    return (
        (bars + text)
        .properties(
            width=200,
            height=300,
        )
        .facet(
            column=alt.Column("carrier:N", title="Carrier"),
            title="Carrier Fare Class Mix",
        )
    )

fig_leg_forecasts 

fig_leg_forecasts(
    summaries,
    raw_df=False,
    by_leg_id=None,
    by_class: bool | str = True,
    of: Literal["mu", "sigma"]
    | list[Literal["mu", "sigma"]] = "mu",
    agg_booking_classes: bool = False,
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_leg_forecasts(
    summaries,
    raw_df=False,
    by_leg_id=None,
    by_class: bool | str = True,
    of: Literal["mu", "sigma"] | list[Literal["mu", "sigma"]] = "mu",
    agg_booking_classes: bool = False,
):
    if isinstance(of, list):
        if raw_df:
            raise NotImplementedError
        fig = fig_leg_forecasts(
            summaries,
            by_leg_id=by_leg_id,
            by_class=by_class,
            of=of[0],
            agg_booking_classes=agg_booking_classes,
        )
        for of_ in of[1:]:
            fig |= fig_leg_forecasts(
                summaries,
                by_leg_id=by_leg_id,
                by_class=by_class,
                of=of_,
                agg_booking_classes=agg_booking_classes,
            )
        title = f"Leg Forecasts {by_leg_id}"
        try:
            if by_leg_id:
                first_summary = next(iter(summaries.values()))
                leg_def = first_summary.legs.loc[by_leg_id]
                title += f": {leg_def['carrier']} {leg_def['flt_no']}"
                title += f" ({leg_def['orig']}-{leg_def['dest']})"
        except Exception:
            raise
        return fig.properties(title=title)
    df = _assemble(
        summaries, "leg_forecasts", by_leg_id=by_leg_id, by_class=by_class, of=of
    )
    color = "booking_class:N"
    if isinstance(by_class, str):
        color = "source:N"
    if agg_booking_classes or not by_class:
        color = "source:N"
        if of == "mu":
            df = (
                df.groupby(["source", "leg_id", "days_prior"])
                .forecast_mean.sum()
                .reset_index()
            )
        elif of == "sigma":

            def sum_sigma(x):
                return np.sqrt(sum(x**2))

            df = (
                df.groupby(["source", "leg_id", "days_prior"])
                .forecast_stdev.apply(sum_sigma)
                .reset_index()
            )
    if raw_df:
        df.attrs["title"] = "Average Leg Forecasts"
        return df
    return _fig_forecasts(
        df,
        facet_on="flt_no" if not isinstance(by_leg_id, int) else None,
        y="forecast_mean" if of == "mu" else "forecast_stdev",
        y_title="Mean Demand Forecast" if of == "mu" else "Std Dev Demand Forecast",
        color=color,
    )

fig_path_forecasts 

fig_path_forecasts(
    summaries,
    raw_df=False,
    by_path_id=None,
    path_names: dict | None = None,
    agg_booking_classes: bool = False,
    by_class: bool | str = True,
    of: ForecastOfT | list[ForecastOfT] = "mu",
)
Source code in passengersim/contrast.py 
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@report_figure
def fig_path_forecasts(
    summaries,
    raw_df=False,
    by_path_id=None,
    path_names: dict | None = None,
    agg_booking_classes: bool = False,
    by_class: bool | str = True,
    of: ForecastOfT | list[ForecastOfT] = "mu",
):
    if isinstance(of, list):
        if raw_df:
            df = {
                _of: fig_path_forecasts(
                    summaries,
                    by_path_id=by_path_id,
                    path_names=path_names,
                    by_class=by_class,
                    of=of[0],
                    raw_df=raw_df,
                )
                for _of in of
            }
            return pd.concat(df, axis=0, names=["measurement"]).reset_index(0)
        fig = fig_path_forecasts(
            summaries,
            by_path_id=by_path_id,
            path_names=path_names,
            by_class=by_class,
            of=of[0],
        )
        for of_ in of[1:]:
            fig |= fig_path_forecasts(
                summaries,
                by_path_id=by_path_id,
                path_names=path_names,
                by_class=by_class,
                of=of_,
            )
        if by_path_id:
            title = f"Path {by_path_id} Forecasts"
        else:
            title = "Path Forecasts"
        try:
            if by_path_id:
                first_summary = next(iter(summaries.values()))
                path_def = first_summary.paths.loc[by_path_id]
                title += f" ({path_def['orig']}~{path_def['dest']})"
                for leg_id in first_summary.path_legs.query(
                    f"path_id == {by_path_id}"
                ).leg_id:
                    leg_def = first_summary.legs.loc[leg_id]
                    title += (
                        f", {leg_def['carrier']} {leg_def['flt_no']} "
                        f"({leg_def['orig']}-{leg_def['dest']})"
                    )
        except Exception:
            raise
        return fig.properties(title=title)
    df = _assemble(
        summaries, "path_forecasts", by_path_id=by_path_id, of=of, by_class=by_class
    )
    list(summaries.keys())
    if path_names is not None:
        df["path_id"] = df["path_id"].apply(lambda x: path_names.get(x, str(x)))
    color = "booking_class:N"
    if isinstance(by_class, str):
        color = "source:N"
    if agg_booking_classes:
        if of == "mu":
            df = (
                df.groupby(["source", "path_id", "days_prior"])
                .forecast_mean.sum()
                .reset_index()
            )
        elif of == "sigma":

            def sum_sigma(x):
                return np.sqrt(sum(x**2))

            df = (
                df.groupby(["source", "path_id", "days_prior"])
                .forecast_stdev.apply(sum_sigma)
                .reset_index()
            )
        elif of == "closed":
            df = (
                df.groupby(["source", "path_id", "days_prior"])
                .forecast_closed_in_tf.mean()
                .reset_index()
            )
    if raw_df:
        if of == "mu":
            df.attrs["title"] = "Average Path Forecast Means"
        elif of == "sigma":
            df.attrs["title"] = "Average Path Forecast Standard Deviations"
        elif of == "closed":
            df.attrs["title"] = "Average Path Forecast Closed in Timeframe"
        return df
    if of == "mu":
        y = "forecast_mean"
        y_title = "Mean Demand Forecast"
    elif of == "sigma":
        y = "forecast_stdev"
        y_title = "Std Dev Demand Forecast"
    elif of == "closed":
        y = "forecast_closed_in_tf"
        y_title = "Mean Time Frame Closed of Demand Forecast"
    elif of == "adj_price":
        y = "adjusted_price"
        y_title = "Mean Adjusted Fare"
    else:
        raise NotImplementedError

    # use ordinal data type for DCP labels unless
    # the underlying data is daily, then use Q
    rrd_ntype = "O"
    if len(df["days_prior"].value_counts()) > 30:
        rrd_ntype = "Q"
    return _fig_forecasts(
        df,
        facet_on="path_id" if not isinstance(by_path_id, int) else None,
        y=y,
        y_title=y_title,
        color=color,
        rrd_ntype=rrd_ntype,
    )

fig_segmentation_by_timeframe 

fig_segmentation_by_timeframe(
    summaries: dict[str, SummaryTables],
    metric: Literal["bookings", "revenue"],
    by_carrier: bool | str = True,
    by_class: bool | str = False,
    raw_df=False,
    source_labels: bool = False,
    ratio: str | bool = False,
) -> Chart | DataFrame

Generate a figure contrasting segmentation by timeframe for one or more runs.

Parameters:

  • summaries (dict[str, SummaryTables]) –

    One or more SummaryTables to compare. The keys of this dictionary are the text names used to label the "source" for each set of data in the figure.

  • metric ((bookings, revenue), default: 'bookings' ) –

    The metric to display for the segmentation.

  • by_carrier (bool or str, default: True ) –

    Whether to differentiate carriers by colors (the default) or give the name of a particular carrier as a string to filter the results shown in the figure to only that one carrier.

  • by_class (bool or str, default: False ) –

    Whether to differentiate booking class by colors (the default) or give the name of a particular booking class as a string to filter the results shown in the figure to only that one booking class.

  • raw_df (bool, default: False ) –

    Set to true to return the raw dataframe used to generate the figure, instead of the figure itself.

  • source_labels (bool, default: False ) –

    Write source labels above the columns of the figure. Source labels are also available as tool tips, but if the figure is being shared as an image without tooltips, the source labels may make it easier to interpret.

  • ratio (str or bool, default: False ) –

    Compute ratios against a reference point and display them in tooltips.

Other Parameters:

  • report (Reporter) –

    Giving a reporter for this keyword only argument allow you to automatically append this figure to the report (in addition to returning it for display or other processing).

  • trace (ExcelWriter or (ExcelWriter, str)) –

    Write the raw dataframe backing this figure to the Excel workbook.

Source code in passengersim/contrast.py 
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@report_figure
def fig_segmentation_by_timeframe(
    summaries: dict[str, SummaryTables],
    metric: Literal["bookings", "revenue"],
    by_carrier: bool | str = True,
    by_class: bool | str = False,
    raw_df=False,
    source_labels: bool = False,
    ratio: str | bool = False,
) -> alt.Chart | pd.DataFrame:
    """
    Generate a figure contrasting segmentation by timeframe for one or more runs.

    Parameters
    ----------
    summaries : dict[str, SummaryTables]
        One or more SummaryTables to compare. The keys of this dictionary are the
        text names used to label the "source" for each set of data in the figure.
    metric : {'bookings', 'revenue'}
        The metric to display for the segmentation.
    by_carrier : bool or str, default True
        Whether to differentiate carriers by colors (the default) or give the name
        of a particular carrier as a string to filter the results shown in the
        figure to only that one carrier.
    by_class : bool or str, default False
        Whether to differentiate booking class by colors (the default) or give the
        name of a particular booking class as a string to filter the results shown
        in the figure to only that one booking class.
    raw_df : bool, default False
        Set to true to return the raw dataframe used to generate the figure, instead
        of the figure itself.
    source_labels : bool, default False
        Write source labels above the columns of the figure. Source labels are also
        available as tool tips, but if the figure is being shared as an image without
        tooltips, the source labels may make it easier to interpret.
    ratio : str or bool, default False
        Compute ratios against a reference point and display them in tooltips.

    Other Parameters
    ----------------
    report : xmle.Reporter, optional
        Giving a reporter for this keyword only argument allow you to automatically
        append this figure to the report (in addition to returning it for display
        or other processing).
    trace : pd.ExcelWriter or (pd.ExcelWriter, str), optional
        Write the raw dataframe backing this figure to the Excel workbook.
    """
    if by_carrier is True and by_class is True:
        raise NotImplementedError("comparing by both class and carrier is messy")
    df = _assemble(
        summaries,
        "segmentation_by_timeframe",
        metric=metric,
        by_carrier=by_carrier,
        by_class=by_class,
    )
    source_order = list(summaries.keys())

    title = f"{metric.title()} by Timeframe"
    if by_class is True:
        title = f"{metric.title()} by Timeframe and Booking Class"
    title_annot = []
    if isinstance(by_carrier, str):
        title_annot.append(by_carrier)
    if isinstance(by_class, str):
        title_annot.append(f"Class {by_class}")
    if title_annot:
        title = f"{title} ({', '.join(title_annot)})"

    against = source_order[0]
    ratio_tooltips = ()
    if ratio:
        if isinstance(ratio, str):
            against = ratio
        idx = list(
            {"source", "carrier", "segment", "days_prior", "booking_class"}
            & set(df.columns)
        )
        df_ = df.set_index(idx)
        ratios = df_.div(df_.query(f"source == '{against}'").droplevel("source")) - 1.0
        ratios.columns = ["ratio"]
        df = df.join(ratios, on=idx)
        ratio_tooltips = (alt.Tooltip("ratio:Q", title=f"vs {against}", format=".3%"),)

    if raw_df:
        df.attrs["title"] = title
        return df

    if by_class:
        if isinstance(by_class, str):
            color = alt.Color("source:N", title="Source", sort=source_order).title(
                "Source"
            )
            tooltips = ()
        else:
            color = alt.Color("booking_class:N").title("Booking Class")
            tooltips = (alt.Tooltip("booking_class", title="Booking Class"),)
        chart = alt.Chart(df.sort_values("source", ascending=False))
        chart_1 = chart.mark_bar().encode(
            color=color,
            x=alt.X("days_prior:O")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
            y=alt.Y(metric, stack=True),
            tooltip=[
                alt.Tooltip("source:N", title="Source"),
                alt.Tooltip("segment", title="Passenger Type"),
                *tooltips,
                alt.Tooltip("days_prior", title="Days Prior"),
                alt.Tooltip(metric, format=".2f"),
                *ratio_tooltips,
            ],
        )
        chart_2 = chart.mark_text(
            color="#616161",
            yOffset=-2,
            angle=270,
            fontSize=8,
            baseline="middle",
            align="left",
        ).encode(
            text=alt.Text("source:N", title="Source"),
            x=alt.X("days_prior:O")
            .scale(reverse=True)
            .title("Days Prior to Departure"),
            xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
            # shape=alt.Shape("source:N", title="Source", sort=source_order),
            y=alt.Y(f"sum({metric})", title=None),
        )
        return (
            ((chart_1 + chart_2) if source_labels else chart_1)
            .properties(
                width=500,
                height=200,
            )
            .facet(
                row=alt.Row("segment:N", title="Passenger Type"),
                title=title,
            )
        )
    elif by_carrier is True:
        return (
            alt.Chart(df.sort_values("source", ascending=False))
            .mark_bar()
            .encode(
                color=alt.Color("carrier:N").title("Carrier"),
                x=alt.X("days_prior:O")
                .scale(reverse=True)
                .title("Days Prior to Departure"),
                xOffset=alt.XOffset("source:N", title="Source", sort=source_order),
                y=alt.Y(metric, stack=True, title=metric.title()),
                tooltip=[
                    alt.Tooltip("source:N", title="Source"),
                    alt.Tooltip("segment", title="Passenger Type"),
                    alt.Tooltip("carrier", title="Carrier"),
                    alt.Tooltip("days_prior", title="Days Prior"),
                    alt.Tooltip(metric, format=".2f"),
                    *ratio_tooltips,
                ],
            )
            .properties(
                width=500,
                height=200,
            )
            .facet(
                row=alt.Row("segment:N", title="Passenger Type"),
                title=title,
            )
        )
    else:
        return (
            alt.Chart(df.sort_values("source", ascending=False), title=title)
            .mark_line()
            .encode(
                color=alt.Color("source:N", title="Source", sort=source_order),
                x=alt.X("days_prior:O")
                .scale(reverse=True)
                .title("Days Prior to Departure"),
                y=metric,
                strokeDash=alt.StrokeDash("segment").title("Passenger Type"),
                strokeWidth=alt.StrokeWidth(
                    "source:N", title="Source", sort=source_order
                ),
                tooltip=[
                    alt.Tooltip("source:N", title="Source"),
                    alt.Tooltip("segment", title="Passenger Type"),
                    alt.Tooltip("days_prior", title="Days Prior"),
                    alt.Tooltip(metric, format=".2f"),
                    *ratio_tooltips,
                ],
            )
            .properties(
                width=500,
                height=300,
            )
            .configure_axis(
                labelFontSize=12,
                titleFontSize=12,
            )
            .configure_legend(
                titleFontSize=12,
                labelFontSize=15,
            )
        )