matchit method for the generic plot
command generates default plots.## S3 method for class 'matchit':
plot(x, ...)matchit.plot.default.
Because plot.matchit primarily produces diagnostic plots, many
of these parameters are hard-coded for convenience and
presentation.plot.matchit allows the user to check the distribution of all covariates
in the assignment model, squares, and interactions, within all subclasses. The graphs present
density estimate graphs of the propensity score of treated and control units in the full and
matched samples, jitter plots of the propensity score for treated and control units, density
estimate graphs of any covariates, and density estimate graphs of any covariates by subclass.help.matchit to access the matchit reference
manual. The complete document is available online at