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2007 Sep 27
1
ifelse and dates do not work together: What workaround?
...provided. ifelse(test, yes, no) is wonderful since it works well in a dataframe but only if yes and no are something simple, such as a numeric vector. But if yes and no are dates then it does not work. My workaround was quite inelegant. Instead of the elegance of official.date<-ifelse(is.na(x),dateyes,dateno) I resorted to conditional indexing. official.date<-dateno #only apporopriate when x is not missing official.date[is.na(x)]<-dateyes[is.na(x)] Original thread: On Sat, 3 Jun 2006, ivo welch wrote: > I wonder if this is an intentional feature or an oversight. These are documen...