Try this using 'sapply'" > sapply(X.new, all.equal, .2) == "TRUE" [1] TRUE FALSE
On Wed, Aug 27, 2008 at 12:13 PM, David Afshartous <[EMAIL PROTECTED]> wrote: > > Thanks. Is there simple way around this for simple checking of single > values? The all.equal() mentioned in the FAQ doesn't seem appropriate. > > X = c(1.2, 2) >> X.new = X -1 >> X == 1.2 > [1] TRUE FALSE >> X.new == .2 > [1] FALSE FALSE > > > > On 8/27/08 11:47 AM, "jim holtman" <[EMAIL PROTECTED]> wrote: > >> FAQ 7.31 >> >> On Wed, Aug 27, 2008 at 11:51 AM, David Afshartous >> <[EMAIL PROTECTED]> wrote: >>> >>> All, >>> >>> I'm witnessing some strange behavior when checking the values of one of my >>> variables. My guess is that it has something to do with the number of >>> significant digits being represented, but perhaps not as my variable was >>> created from other variables that only had one decimal place. See below. >>> I'm sure this is something basic, any suggestions much appreciated. >>> >>> Cheers, >>> David >>> >>> >>>> visit.2.SEK.delta.baseline >>> [1] 0.1 -0.7 0.8 -0.1 -0.5 0.8 0.7 0.2 0.4 0.3 0.6 0.6 0.3 0.8 >>> 0.8 0.3 0.4 0.8 >>>> visit.2.SEK.delta.baseline > 0 >>> [1] TRUE FALSE TRUE FALSE FALSE TRUE TRUE TRUE TRUE TRUE TRUE TRUE >>> TRUE TRUE TRUE TRUE TRUE TRUE >>>> visit.2.SEK.delta.baseline == .8 >>> [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE >>> FALSE FALSE FALSE FALSE FALSE FALSE >>> ### but some of the values are equal to .8 >>> >>> ## here it is okay when I try to reproduce >>>> junk = c(0.1, -0.7,0.8, -0.1, -0.5, 0.8, 0.7, 0.2, 0.4, 0.3, 0.6, >>>> 0.6, >>> 0.3, 0.8, 0.8, 0.3, 0.4, 0.8 ) >>>> junk == .8 >>> [1] FALSE FALSE TRUE FALSE FALSE TRUE FALSE FALSE FALSE FALSE FALSE FALSE >>> FALSE TRUE TRUE 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. >>> >> >> > > -- Jim Holtman Cincinnati, OH +1 513 646 9390 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.
