Dear all, I am using transcan to impute missing values (single imputation). I have several dichotomous variables in my dataset, but when I try to impute the missings sometimes values are imputed that were originally not in the dataset. So, a variable with 2 values (severe weight loss or no/limited weight loss) for example coded 0 and 1, shows 3 different values after imputation (0, 1 and 2).
I have tried two options: impfile <- transcan (~age + factor(dumgend) +factor(dumcomorb25_i) + factor(dumwght) + factor(dumsmok) I(lngtvextra) + eqd2t_i + factor(chemo)+ factor(stage),data=surv.df, imputed=TRUE ) and this one (with categorical="dumwght") impfile <- transcan (~age + factor(dumgend) +factor(dumcomorb25_i) + factor(dumwght) + factor(dumsmok) I(lngtvextra) + eqd2t_i + factor(chemo) + factor(stage),data=surv.df, categorical=("dumwght"), imputed=TRUE ) Have can I handle this problem? Thanks for your help. Cary [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.