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2009 Mar 06
0
impcat='tree'
...c and Design libraries and have used the following code (as shown in the example provided in the referenced paper): '%in%' <- function(a,b)match(a,b,nomatch=0)>0 # Define function for easy determination of whether a value is in a list levels(ekg)[levels(ekg)%in%c('oldMI','recentMI')] <- 'MI' # Combines last 2 levels and uses a new name, MI pf.coded <- as.integer(pf) # Save original pf, re-code to 1-4 levels(pf) <- c(levels(pf)[1:3],levels(pf)[3]) # Combine last 2 levels of original This is where I have the problem. I am writing an imputation rule: w &l...