paste on a 'day' since it is trying to convert to something that is ambigous:
> strptime("2011010","%Y%W%w") [1] "2011-01-02" > strptime("2011520","%Y%W%w") [1] "2011-12-25" > strptime("2011120","%Y%W%w") [1] "2011-03-20" > strptime("2011200","%Y%W%w") [1] "2011-05-15" On Wed, Jul 6, 2011 at 3:17 PM, David Pitkin <dpit...@pobox.com> wrote: > Hi, > > I am having a trouble parsing dates using strptime() that I get in the > format of year and week number. The data looks like this "201127" which > means year 2011 and week 27. I would like to graph this using ggplot but > then I get a gap between 201054 and 201101 so I thought I would just easily > convert it. > > I tried to use strptime and as.Date and the format string of %Y%W but it > seems to only parse the year out of the string and then return today's month > and date. Can anyone point me where I am going wrong or another avenue to > try? > > David > >> strptime("201101","%Y%W")[1] "2011-07-06" > >> strptime("201001","%Y%W")[1] "2010-07-06" > >> strptime("201114","%Y%W")[1] "2011-07-06" > >> strptime("201130","%Y%W")[1] "2011-07-06" > > > >> sessionInfo() > R version 2.12.2 (2011-02-25) > Platform: x86_64-pc-mingw32/x64 (64-bit) > > locale: > [1] LC_COLLATE=English_United States.1252 > [2] LC_CTYPE=English_United States.1252 > [3] LC_MONETARY=English_United States.1252 > [4] LC_NUMERIC=C > [5] LC_TIME=English_United States.1252 > > attached base packages: > [1] grid stats graphics grDevices utils datasets methods > [8] base > > other attached packages: > [1] RSiteSearch_1.0-7 sos_1.3-0 brew_1.0-6 ggplot2_0.8.9 > [5] proto_0.3-9.1 reshape_0.8.4 plyr_1.4 RODBC_1.3-2 > > loaded via a namespace (and not attached): > [1] digest_0.4.2 tools_2.12.2 > > [[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. > -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? ______________________________________________ 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.