timferriss: original
timferriss: simplified
timferriss: original simplified
timferriss: variation b
timferriss: variation C
timferriss: test results large
timferriss: test results small
timferriss: Gytest 2 small
timferriss: mosaic plot
timferriss: contingency table
timferriss: pearson chi test
timferriss: relative improvement