# AVPLOT3: Stata module to generate partial regression plots for subsamples

*Christopher Baum* ()

Statistical Software Components from Boston College Department of Economics

**Abstract:**
avplot3 generates "partial regression plots" from an analysis of covariance model, where a category variable has been included in dummy-variable form among the regressors along with a constant term (that is, a dummy for all but one categories appears) and that variable has been interacted with a continuous variable. The "partial predictions" of such a model are then defined, for each category, as the category-specific constant term plus the category-specific slope multiplied by the continuous variable. Any number of additional covariates, continuous or discrete, may appear in the regression model. Nick Cox' keyplot routine is included in the package, and utilized to generate the graphs.

**Language:** Stata

**Requires:** Stata version 7.0

**Keywords:** partial regression plot; analysis of covariance (search for similar items in EconPapers)

**Date:** 2002-03-15, Revised 2002-12-13

**Note:** This module may be installed from within Stata by typing "ssc install avplot3". Windows users should not attempt to download these files with a web browser.

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**Downloads:** (external link)

http://fmwww.bc.edu/repec/bocode/a/avplot3.ado program code (text/plain)

http://fmwww.bc.edu/repec/bocode/a/avplot3.hlp help file (text/plain)

http://fmwww.bc.edu/repec/bocode/k/keyplot.ado program code (text/plain)

http://fmwww.bc.edu/repec/bocode/k/keyplot.hlp help file (text/plain)

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**Persistent link:** http://EconPapers.repec.org/RePEc:boc:bocode:s424601

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Series data maintained by Christopher F Baum ().