[R] R help contingency table

Hello, I'm sorry if my question is really basic, but I'm having some troubles with the statistics for my thesis, and especially the khi square test and contingency tables. For what I understood, there are two "kinds" of khisquare test, that are quite similar : - Homogeneity, when we have one

Re: [R] R help contingency table

, but I'm afraid that I will loose the interaction between the variable "first color" and "second color" if I convert the matrix into a vector. Thank you for your help De : David L Carlson <dcarl...@tamu.edu> Envoy� : lundi 20 juin 2016