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tdifftime
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 70[20] 99 115 70 65 90 90 65 90 75 85 93 52 75 60 90 105 70 65 60[39] 85 110 65 60 98 62 71 61 41 80 67 83 72 73attr(,"tzone")[1] ""
> givnona<...