Ah ... yes. I knew that but clearly didn't at the time of my question or script writing. Thanks, Chris
On Wed, Mar 30, 2011 at 8:22 AM, Henrique Dallazuanna <www...@gmail.com>wrote: > Try: > > dat0 <- read.table('tim1.dat', na = -999) > Ah ... yes. I knew that but clearly didn't at the time of my question or script writing. Thanks, Chris > > On Wed, Mar 30, 2011 at 10:15 AM, Christopher Desjardins > <cddesjard...@gmail.com> wrote: > > Hi, > > I am trying to write a loop to recode my data from -999 to NA in R. > What's > > the most efficient way to do this? Below is what I'm presently doing, > which > > is inefficient. Thanks, > > Chris > > > > > > dat0 <- read.table("time1.dat") > > > > colnames(dat0) <- c("e1dq", "e1arcp", "e1dev", "s1prcp", "s1nrcp", > "s1ints", > > "a1gpar", "a1pias", "a1devt") > > > > dat0[dat0$e1dq==-999.00000000,"e1dq"] <- NA > > > > dat0[dat0$e1arcp==-999.00000000,"e1arcp"] <- NA > > > > dat0[dat0$e1dev==-999.00000000,"e1dev"] <- NA > > > > dat0[dat0$s1prcp==-999.00000000,"s1prcp"] <- NA > > > > dat0[dat0$s1nrcp==-999.00000000,"s1nrcp"] <- NA > > > > dat0[dat0$s1ints==-999.00000000,"s1ints"] <- NA > > > > dat0[dat0$a1gpar==-999.00000000,"a1gpar"] <- NA > > > > dat0[dat0$a1pias==-999.00000000,"a1pias"] <- NA > > > > dat0[dat0$a1devt==-999.00000000,"a1devt"] <- NA > > > > [[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. > > > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > [[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.