How can I change the format of this dates in R -


i have dates in r:

> head(mydates)  [1] "2007-01-01" "2007-01-02" "2007-01-03" "2007-01-04" "2007-01-05" "2007-01-08" > class(mydates)  [1] "date"

and want change format

> head(targetdates)  [1] "2007-01-01 gmt" "2007-01-02 gmt" "2007-01-03 gmt" "2007-01-04 gmt" [5] "2007-01-05 gmt" "2007-01-08 gmt" > class(targetdates)  [1] "posixct" "posixt"

how can (in r)?

thanks

you can use as.posixct

mydates ## [1] "2007-01-01" "2007-01-02" "2007-01-03" "2007-01-04" "2007-01-05" "2007-01-08"  class(mydates) ## [1] "date"  sys.setenv(tz = "gmt") #necessary of want dates printed in gmt as.posixct(mydates) ## [1] "2007-01-01 gmt" "2007-01-02 gmt" "2007-01-03 gmt" "2007-01-04 gmt" "2007-01-05 gmt" "2007-01-08 gmt"

also read ?posixct


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