3.6.1.1.14. statsmodels.graphics.api.plot_regress_exog

statsmodels.graphics.api.plot_regress_exog(results, exog_idx, fig=None)

Plot regression results against one regressor.

This plots four graphs in a 2 by 2 figure: ‘endog versus exog’, ‘residuals versus exog’, ‘fitted versus exog’ and ‘fitted plus residual versus exog’

Parameters:

results : result instance

result instance with resid, model.endog and model.exog as attributes

exog_idx : int

index of regressor in exog matrix

fig : Matplotlib figure instance, optional

If given, this figure is simply returned. Otherwise a new figure is created.

Returns:

fig : matplotlib figure instance