search for: tp4648067p4648076

Displaying 1 result from an estimated 1 matches for "tp4648067p4648076".

2012 Oct 31
3
expand.grip for permutations
if i were to have a block size of 4 people and i want to assign a treatment combination to the entire block, there would be 16 different treatment combinations (TTTT, TTTP, TTPP, PTTP, etc.) i am trying to get all 16 permutations and i am able to use this code below. drugs=c('P','T'); comb=expand.grid(drugs,drugs,drugs,drugs) for a block size of 3 the code would be