Today, I had to randomize uneven units into groups w/n strata and went to the post by @dmckenzie001 @MiriamBruhn1: https://bit.ly/2FOxqgK... 

...and saw this is now solved by randtreat: https://bit.ly/30fHDuB...

...which was created by @alvcarril from @JPAL_LAC!

#JPALRAsRock