search for: tp14712654p14714199

Displaying 1 result from an estimated 1 matches for "tp14712654p14714199".

2008 Jan 09
6
as.date - german date format
Hi, I have a data.frame with the following variable: $ xx :Factor w/ 66 levels "01.02.2006","01.03.2006",..: 3 3 3 3 3 3 3 3 3 now I?d like use "as.date" on it - if I comprehend the instructions on http://finzi.psych.upenn.edu/R/library/base/html/format.Date.html it should work like this: as.date(xx, "%d.%m.%Y") - but it doesn?t... the survival Package