Le 28/12/2017 à 18:13, Ramesh YAPALPARVI a écrit :
Hi all,

I’m struggling to get the dates in proper format.
I have dates as factors and is in the form 02/27/34( 34 means 1934). If I use

Try this

x <- "02/27/34"
x2 <- paste0(substr(x, 1, 6), "19", substr(x, 7, 8))
as.Date(x2, format="%m/%d/%Y")
[1] "1934-02-27"

or

x2 <- gsub("(../../)(..)", "\\119\\2", x)

Marc

as.Date with format %d%m%y it gets converted to 2034-02-27. I tried changing 
the origin in the as.Date command but nothing worked. Any help is appreciated.

Thanks,
Ramesh
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Marc Girondot, Pr

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