?any -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of zubin > Sent: Friday, September 25, 2009 6:00 PM > To: r-help@r-project.org > Subject: [R] evaluate a set of symbols within an IF statement > > Hello, writing some R code to cleanse a data set, if the following set > of symbols are identified then perform some actions. trying to write > the minimum code to do this. > > > tname = "VIX" > checkticker = c("VIX", "TYX", "TNX", "IRX") > > if (tname == checkticker) { > //perform some operations > } > > result i get is > > > tname == checkticker > [1] TRUE FALSE FALSE FALSE > > how do i evaluate this whole list to a single boolean True or False? > If > any of these are true the whole statement is True, else False. this > only seems to work for the first ticker, the rest don't perform the > operations within the loop. > > > > tname = "IRX" > > tname == checkticker > [1] FALSE FALSE FALSE TRUE > > ______________________________________________ > 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. ______________________________________________ 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.