3.6.11.1.2. statsmodels.graphics.regressionplots.add_lowess

statsmodels.graphics.regressionplots.add_lowess(ax, lines_idx=0, frac=0.2, **lowess_kwargs)

Add Lowess line to a plot.

Parameters:

ax : matplotlib Axes instance

The Axes to which to add the plot

lines_idx : int

This is the line on the existing plot to which you want to add a smoothed lowess line.

frac : float

The fraction of the points to use when doing the lowess fit.

lowess_kwargs

Additional keyword arguments are passes to lowess.

Returns:

fig : matplotlib Figure instance

The figure that holds the instance.