help for psgraph

Graph propensity score histogram

psgraph
[,
bin(#)
treated(varname)
support(varname)
pscore(varname)
graph_options]

Description

psgraph graphs the propensity score histogram by treatment status.

psgraph can be called without options after psmatch2. In this case psgraph will use
the generate variables _treated and _pscore. The options treated and pscore override this
behavior.

Options

bin(#) specifies the number of intervals to use for
accumulating the histogram. The default is bin(20).

treated(varname) specifies treatment indicator variable.
Assumes the following: 0 = controls, 1 = treated.

support(varname) Common support indicator (0/1).

pscore(varname) specifies the propensity score.

Also see

The commands psmatch2, pstest.

Author

Edwin Leuven, École Nationale de la Statistique et de l'Administration Économique. If
you observe any problems mailto:leuven@ensae.fr.

Barbara Sianesi, Institute for Fiscal Studies, London, UK.