# Nonparametric Statistics

These are the available functions for nonparametric statistics. See each function's help topic in the TERR Language Reference for more information.

Function name | Title description
--- | ---
`cor.test` | Test for Correlation Between Paired Samples
`cor.test.default` | Test for Correlation Between Paired Samples
`cor.test.formula` | Test for Correlation Between Paired Samples
`dwilcox` | The Distribution of the Wilcoxon Rank Sum Statistic
`friedman.test` | Friedman Rank Sum Test
`friedman.test.default` | Friedman Rank Sum Test
`friedman.test.formula` | Friedman Rank Sum Test
`kruskal.test` | Kruskal-Wallis Rank Sum Test
`kruskal.test.default` | Kruskal-Wallis Rank Sum Test
`kruskal.test.formula` | Kruskal-Wallis Rank Sum Test
`predict.smooth.spline` | Smoothing Spline at New Data
`pwilcox` | The Distribution of the Wilcoxon Rank Sum Statistic
`qwilcox` | The Distribution of the Wilcoxon Rank Sum Statistic
`rwilcox` | The Distribution of the Wilcoxon Rank Sum Statistic
`wilcox.test` | Wilcoxon Rank Sum and Signed Rank Tests
`wilcox.test.default` | Wilcoxon Rank Sum and Signed Rank Tests
`wilcox.test.formula` | Wilcoxon Rank Sum and Signed Rank Tests
`Wilcoxon` | The Distribution of the Wilcoxon Rank Sum Statistic