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009d47e0
2007 Oct 29
1
time difference error
Hello!
I have a problem making a new variabel in a dataframe that consists of a time difference.
It seems that the new variable gets into the dataframe but I cant look at it anymoore.
Here is what hapens.
> tdiff<- difftime(Kontrolltid, Starttid, units="auto")> tdiffTime differences in mins [1] 168 NA NA 165 175 140 191 195 130 160 135 165 330 178 141 NA 119 90