Specify that Pearson corr coef is squared.
@@ -459,7 +459,7 @@ subquery instead:
Constant, or function of one or two implied columns. Returns
standard measures of correlation between columns:
- * Pearson correlation coefficient for two numerical columns.
+ * Pearson correlation coefficient squared for two numerical columns.
* Cramer's phi for two categorical columns.
* ANOVA R^2 for a categorical column and a numerical column.
