Re: [R] date objects

Hi Erin, "Best" is subjective, but I like library(lubridate) library(plyr) xb.df <- mutate(xb.df, time = ymd(time, truncated = 1), year = year(time), quarter = quarter(time)) Best, Ista On Mon, Feb 17, 2014 at 7:35 PM, Erin Hodgess wrote: > Hell

[R] date objects

Hello! I generate the following two data frames: > xa.df <- data.frame(x=rnorm(10),time=2001:2010) > xa.df x time 1 -1.73207086 2001 2 -0.84014049 2002 3 -0.02332163 2003 4 -1.47236670 2004 5 -0.17736265 2005 6 -1.27134314 2006 7 -2.53425374 2007 8 0.79132952 2008 9 1.165