Re: [R] transforming dates into years

2010-08-13 Thread Saeed Abu Nimeh
myFrame$year<-years(strptime(x)) On Fri, Aug 13, 2010 at 12:36 PM, Dimitri Liakhovitski wrote: > Hello! > > If I have in my data frame MyFrame a variable saved as a Date and want > to translate it into years, I currently do it like this using "zoo": > > library(zoo) > as.year <- function(x) as.nu

Re: [R] transforming dates into years

2010-08-13 Thread David Winsemius
On Aug 13, 2010, at 3:36 PM, Dimitri Liakhovitski wrote: Hello! If I have in my data frame MyFrame a variable saved as a Date and want to translate it into years, I currently do it like this using "zoo": library(zoo) as.year <- function(x) as.numeric(floor(as.yearmon(x))) myFrame$year<-as.yea

Re: [R] transforming dates into years

2010-08-13 Thread Henrique Dallazuanna
You've tried: as.numeric(format(Sys.Date(), '%Y')) On Fri, Aug 13, 2010 at 4:36 PM, Dimitri Liakhovitski < dimitri.liakhovit...@gmail.com> wrote: > Hello! > > If I have in my data frame MyFrame a variable saved as a Date and want > to translate it into years, I currently do it like this using "

[R] transforming dates into years

2010-08-13 Thread Dimitri Liakhovitski
Hello! If I have in my data frame MyFrame a variable saved as a Date and want to translate it into years, I currently do it like this using "zoo": library(zoo) as.year <- function(x) as.numeric(floor(as.yearmon(x))) myFrame$year<-as.year(myFrame$date) Is there a function that would do it directl