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Dates in R
3 messages · Brian Edward, jim holtman, Don MacQueen
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See the documentation for as.Date Something like (untested): as.Date(Date1, '"%m%d%y") - as.Date(Date2,"%m%d%y") That's assuming Date1 and Date2 have already been loaded into R, and are character vectors. They would have to be character vectors in order to display the leading zero, as in 032398. -Don
At 10:18 PM -0600 12/27/06, Brian Edward wrote:
Hello all, Can somebody point me to references or provide some code on dealing with this date issue. Basically, I have two vectors of values that represent dates. I want to convert these values into a date format and subtract the differences to show elapsed time in days. More specifically, here is the example: Date1 Date2 032398 061585 032398 061585 111694 101994 111694 101994 062695 021595 051898 111597 072495 040195 072495 040195 The dates are in the mmddyy format, but when I attempt to format these in R with the function, date.mmddyy(Date1), I get very odd results. Any help on this matter would be greatly appreciated! Thanks in advance, Brian [[alternative HTML version deleted]]
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--------------------------------- Don MacQueen Lawrence Livermore National Laboratory Livermore, CA, USA