Re: [R] To calculate the month number between 2 dates

2014-11-07 Thread Achim Zeileis
On Fri, 7 Nov 2014, Arnaud Michel wrote: Hello Can one calculate the month number between two dates D1 <- "01/01/2007" and D2 <- "01/04/2009" ? Thank you One way is through zoo's yearmon class: R> library("zoo") R> D1 <- as.yearmon("01/01/2007", format = "%d/%m/%Y") R> D2 <- as.yearmon("01/0

[R] To calculate the month number between 2 dates

2014-11-07 Thread Arnaud Michel
Hello Can one calculate the month number between two dates D1 <- "01/01/2007" and D2 <- "01/04/2009" ? Thank you -- Michel ARNAUD Cirad __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide