[R] Date conversion issue

ManInMoon xmoon2000 at googlemail.com
Wed Mar 17 16:00:44 CET 2010


I am parsing dates as follows:

> z[1:10,1:3]
    V1       V2           V3
1    0 03/02/09 22:20:51.274
2  100 03/02/09 22:28:18.801
3  200 03/02/09 22:33:33.762
4  300 03/02/09 22:40:21.826
5  400 03/02/09 22:41:38.361
6  500 03/02/09 22:42:50.882
7  600 03/02/09 22:45:19.885
8  700 03/02/09 22:48:55.558
9  800 03/02/09 22:51:21.112
10 900 03/02/09 22:58:41.860

>zdates<-as.POSIXct(strptime(paste(z[,2],z[,3]), "%d/%m/%Y
%H:%M:%OS"),origin="1970-01-01" );

> head(zdates)
[1] "0009-02-03 22:20:51 GMT" "0009-02-03 22:28:19 GMT" "0009-02-03 22:33:34
GMT"
[4] "0009-02-03 22:40:22 GMT" "0009-02-03 22:41:38 GMT" "0009-02-03 22:42:51
GMT"


Can anyone tell me why I see YEAR as "0009" instead of 2009?


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