[R-sig-eco] difftime in R

[Thomas Petzoldt]

try:

as.numeric(T3)

Note that this is a typical "r-help" question.

Thomas Petzoldt

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DataSetb <- data.frame(
   T1 = rep("2012-06-01 1:00", 5),
   T2 = rep("2012-06-02 0:00", 5)
)


T1<- as.POSIXlt(DataSetb$T1)
T2<- as.POSIXlt(DataSetb$T2)

T3<- as.numeric(difftime(T2, T1))
T3


DataSetb.2<- cbind(DataSetb,T3)
write.table(DataSetb.2, file="DataSetb.2.csv", col.names=NA, sep=",")