def lines(
    x=None,
    y=None,
    samples=None,
    ids=None,
    link_field=None,
    sizes=None,
    backend="plotly",
    **kwargs,
):
    """Plots the given lines(s) data.

    You can attach plots generated by this method to an App session via its
    :attr:`fiftyone.core.session.Session.plots` attribute, which will
    automatically sync the session's view with the currently selected points in
    the plot. To enable this functionality, you must pass ``samples`` to this
    method.

    You can use the ``sizes`` parameter to scale the sizes of the points.

    Args:
        x (None): the x data to plot. Can be any of the following:

            -   an array-like of values
            -   a ``num_lines x n`` array-like or list of length ``num_lines``
                of array-likes of values for multiple line traces
            -   the name of a sample field or ``embedded.field.name`` of
                ``samples`` from which to extract values for a single line
            -   the name of a frame field or ``frames.embedded.field.name`` of
                ``samples`` from which to extract values for per-sample line
                traces
            -   a :class:`fiftyone.core.expressions.ViewExpression` that
                resolves to a list (one line plot) or list of lists (multiple
                line plots) of numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        y (None): the y data to plot. Can be any of the following:

            -   an array-like of values
            -   a ``num_lines x n`` array-like or list of length ``num_lines``
                of array-likes of values for multiple line traces
            -   the name of a sample field or ``embedded.field.name`` of
                ``samples`` from which to extract values for a single line
            -   the name of a frame field or ``frames.embedded.field.name`` of
                ``samples`` from which to extract values for per-sample line
                traces
            -   a :class:`fiftyone.core.expressions.ViewExpression` that
                resolves to a list (one line plot) or list of lists (multiple
                line plots) of numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        samples (None): the :class:`fiftyone.core.collections.SampleCollection`
            whose data is being visualized
        ids (None): an array-like of IDs of same shape as ``y``. If not
            provided but ``samples`` are provided, the appropriate IDs will be
            extracted from the samples
        link_field (None): a field of ``samples`` whose data corresponds to
            ``y``. Can be any of the following:

            -   ``None``, if the line data correspond to samples (single trace)
                or frames (multiple traces)
            -   ``"frames"``, if the line data correspond to frames (multiple
                traces). This option exists only for consistency with other
                plotting methods; in practice, it will be automatically
                inferred whenever multiple traces are being plotted
            -   the name of a :class:`fiftyone.core.labels.Label` field, if the
                line data correspond to the labels in this field
        sizes (None): data to use to scale the sizes of the points. Can be any
            of the following:

            -   an array-like of numeric values of same shape as ``y``
            -   the name of a sample field (single trace) or frame field
                (multiple traces) from which to extract numeric values
            -   a :class:`fiftyone.core.expressions.ViewExpression` defining
                sample-level (single trace) or frame-level (multiple traces)
                numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        backend ("plotly"): the plotting backend to use. Supported values are
            ``("plotly", "matplotlib")``
        **kwargs: keyword arguments for the backend plotting method:

            -   "plotly" backend: :meth:`fiftyone.core.plots.plotly.lines`
            -   "matplotlib" backend: :meth:`fiftyone.core.plots.matplotlib.lines`

    Returns:
        one of the following

        -   an :class:`InteractivePlot`, if IDs are available
        -   a :class:`fiftyone.core.plots.plotly.PlotlyNotebookPlot`, if IDs
            are not available but you are working with the plotly backend in a
            Jupyter notebook
        -   a plotly or matplotlib figure, otherwise
    """
    backend = _parse_backend(backend)

    if backend == "matplotlib":
        from .matplotlib import lines as _lines
    else:
        from .plotly import lines as _lines

    return _lines(
        x=x,
        y=y,
        samples=samples,
        ids=ids,
        link_field=link_field,
        sizes=sizes,
        **kwargs,
    )
Plots the given lines(s) data.

    You can attach plots generated by this method to an App session via its
    :attr:`fiftyone.core.session.Session.plots` attribute, which will
    automatically sync the session's view with the currently selected points in
    the plot. To enable this functionality, you must pass ``samples`` to this
    method.

    You can use the ``sizes`` parameter to scale the sizes of the points.

    Args:
        x (None): the x data to plot. Can be any of the following:

            -   an array-like of values
            -   a ``num_lines x n`` array-like or list of length ``num_lines``
                of array-likes of values for multiple line traces
            -   the name of a sample field or ``embedded.field.name`` of
                ``samples`` from which to extract values for a single line
            -   the name of a frame field or ``frames.embedded.field.name`` of
                ``samples`` from which to extract values for per-sample line
                traces
            -   a :class:`fiftyone.core.expressions.ViewExpression` that
                resolves to a list (one line plot) or list of lists (multiple
                line plots) of numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        y (None): the y data to plot. Can be any of the following:

            -   an array-like of values
            -   a ``num_lines x n`` array-like or list of length ``num_lines``
                of array-likes of values for multiple line traces
            -   the name of a sample field or ``embedded.field.name`` of
                ``samples`` from which to extract values for a single line
            -   the name of a frame field or ``frames.embedded.field.name`` of
                ``samples`` from which to extract values for per-sample line
                traces
            -   a :class:`fiftyone.core.expressions.ViewExpression` that
                resolves to a list (one line plot) or list of lists (multiple
                line plots) of numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        samples (None): the :class:`fiftyone.core.collections.SampleCollection`
            whose data is being visualized
        ids (None): an array-like of IDs of same shape as ``y``. If not
            provided but ``samples`` are provided, the appropriate IDs will be
            extracted from the samples
        link_field (None): a field of ``samples`` whose data corresponds to
            ``y``. Can be any of the following:

            -   ``None``, if the line data correspond to samples (single trace)
                or frames (multiple traces)
            -   ``"frames"``, if the line data correspond to frames (multiple
                traces). This option exists only for consistency with other
                plotting methods; in practice, it will be automatically
                inferred whenever multiple traces are being plotted
            -   the name of a :class:`fiftyone.core.labels.Label` field, if the
                line data correspond to the labels in this field
        sizes (None): data to use to scale the sizes of the points. Can be any
            of the following:

            -   an array-like of numeric values of same shape as ``y``
            -   the name of a sample field (single trace) or frame field
                (multiple traces) from which to extract numeric values
            -   a :class:`fiftyone.core.expressions.ViewExpression` defining
                sample-level (single trace) or frame-level (multiple traces)
                numeric values to compute from ``samples`` via
                :meth:`fiftyone.core.collections.SampleCollection.values`
        backend ("plotly"): the plotting backend to use. Supported values are
            ``("plotly", "matplotlib")``
        **kwargs: keyword arguments for the backend plotting method:

            -   "plotly" backend: :meth:`fiftyone.core.plots.plotly.lines`
            -   "matplotlib" backend: :meth:`fiftyone.core.plots.matplotlib.lines`

    Returns:
        one of the following

        -   an :class:`InteractivePlot`, if IDs are available
        -   a :class:`fiftyone.core.plots.plotly.PlotlyNotebookPlot`, if IDs
            are not available but you are working with the plotly backend in a
            Jupyter notebook
        -   a plotly or matplotlib figure, otherwise
    
fiftyone/core/plots/base.py