search for: kuntadata

Displaying 1 result from an estimated 1 matches for "kuntadata".

2002 Apr 12
4
Matrix to data.frame without factors
...e other but related question is odd. This time I have numeric col in a data.frame (at least it should be) which I have fetched from Excel through RODBC (it's great). But when I'm trying to convert Na to 0 as a side effect these columns get converted to characters: > is.numeric(as.matrix(KUNTADATA[,15])) [1] TRUE > is.numeric(as.data.frame(as.matrix(KUNTADATA[,15]))) [1] FALSE or > is.numeric(data.frame(as.matrix(KUNTADATA[,15]))) [1] FALSE as.numeric works of course but that's not to way to do well and error robust code. Please let me know if you have any idea how to avoid autom...