anes04                  Demographic Data From 2004 American National
                        Election Studies (ANES)
dummify                 Separate a factor into separate dummy variables
                        for each level.
stdz                    Standardizes any numerical vector, with
                        weights.
wpct                    Provides a weighted table of percentages for
                        any variable.
wtd.chi.sq              Produces weighted chi-squared tests.
wtd.cor                 Produces weighted correlations with standard
                        errors and significance.
wtd.hist                Weighted Histograms
wtd.partial.cor         Produces weighted partial correlations with
                        standard errors and significance.
wtd.t.test              Produces weighted Student's t-tests with
                        standard errors and significance.
