For those who tried (or were even afraid to begin) to learn VEX but failed and stopped because it was too hard. Here you will learn VEX and applied math starting from the basics. From general to ...

(See notice at the end of this document regarding copyright.) This site is for those who know nothing of R, and maybe even nothing of programming, and seek QUICK, PAINLESS! entree to the world of R.

When was the last time you heard a seminar speaker claim there was ‘no difference’ between two groups because the difference was ‘statistically non-significant’? If your experience matches ours, there ...