Hi, Try this: tfr<-read.table(text=" 14/12/2000 15/12/2000 18/12/2000 19/12/2000 20/12/2000 21/12/2000 22/12/2000 25/12/2000 26/12/2000 27/12/2000 28/12/2000 29/12/2000 01/01/2001 02/01/2001 03/01/2001 04/01/2001 05/01/2001 08/01/2001 09/01/2001 10/01/2001 11/01/2001 12/01/2001 15/01/2001 16/01/2001 17/01/2001 18/01/2001 19/01/2001 22/01/2001 23/01/2001 24/01/2001 25/01/2001 26/01/2001 29/01/2001 30/01/2001 31/01/2001 01/02/2001 02/02/2001 05/02/2001 06/02/2001 07/02/2001 08/02/2001 09/02/2001 12/02/2001 13/02/2001 14/02/2001 15/02/2001 16/02/2001 19/02/2001 20/02/2001 21/02/2001 ",sep="",header=FALSE,fill=TRUE,stringsAsFactors=FALSE) as.Date(tfr$V1,format="%d/%m/%Y") [1] "2000-12-14" "2000-12-22" "2001-01-01" "2001-01-09" "2001-01-17" [6] "2001-01-25" "2001-02-02" "2001-02-12" "2001-02-20"
A.K. ----- Original Message ----- From: Trying To learn again <tryingtolearnag...@gmail.com> To: r-help@r-project.org Cc: Sent: Saturday, August 4, 2012 12:09 PM Subject: [R] DAtes Hi all, I´m trying to convert as a data frame (with format "date") this copied excel column of dates (exposed below), I have tried to save them in a txt file tfr<-read.table("tfra.txt") tfr<-data.frame(tfr) I have tried several things, as date, so on, but always error. And it makes Error en as.Date.default(tfr, "%m/%d/%y") : do not know how to convert 'a' to class "Date" Can anyone give me a clue or a gide to achieve this final result. 14/12/2000 15/12/2000 18/12/2000 19/12/2000 20/12/2000 21/12/2000 22/12/2000 25/12/2000 26/12/2000 27/12/2000 28/12/2000 29/12/2000 01/01/2001 02/01/2001 03/01/2001 04/01/2001 05/01/2001 08/01/2001 09/01/2001 10/01/2001 11/01/2001 12/01/2001 15/01/2001 16/01/2001 17/01/2001 18/01/2001 19/01/2001 22/01/2001 23/01/2001 24/01/2001 25/01/2001 26/01/2001 29/01/2001 30/01/2001 31/01/2001 01/02/2001 02/02/2001 05/02/2001 06/02/2001 07/02/2001 08/02/2001 09/02/2001 12/02/2001 13/02/2001 14/02/2001 15/02/2001 16/02/2001 19/02/2001 20/02/2001 21/02/2001 [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.