Displaying 1 result from an estimated 1 matches for "ippobis".
2007 Jul 12
1
Subsetting problem
I need to perform the Exact Wilcoxon Mann-Whitney on a subset of my database.
Assuming that IPPO is my data frame and IPPOBIS is the subset my variable still
have 3 different levels and the function wilcox_test (package "coin")
does not accept it.
I do not know how to overcome this problem.
ippo <- c(rep("A",10),rep("B",10),rep("C",10))
ippo2 <- c(rnorm(10,0,1),rnorm(10,10,1...