Contents of Correlation Coefficients (1)

Correlation Coefficients (1)

Pearson Product Moment coefficient ( r ) is the MOST popular one (named after Karl Pearson, 1857-1936, one of the greatest 19th statisticians)
But there are many others:
* Point-biserial (dichotomous vs. continuous)
* Phi (both dichotomous)
* Spearman Rank-Order (both ranks)
. . .