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Value

An object of class ``summary.whatif'', a list containing the following five elements:

call

The original call to whatif.

m

A scalar. The total number of counterfactuals evaluated.

m.inhull

A scalar. The number of counterfactuals evaluated that are in the convex hull of the observed covariate data.

mean.near

A scalar. The average percentage of data `nearby' each counterfactual, where the average is taken over all counterfactuals.

sum.df

A data frame with three columns and $m$ rows, where $m$ is the number of counterfactuals. The first column, cfact, indexes the counterfactuals. The second column, in.hull, contains the results of the convex hull test. The third column, per.near, contains the percentage of data points nearby each counterfactual.

This object is printed to the screen.