You need two logical test and then combine them with & (AND) or | (OR) i[quantile(i,.25) >= i & i <= quantile(i,.75)]
Best regards, Thierry ---------------------------------------------------------------------------- ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek team Biometrie & Kwaliteitszorg Gaverstraat 4 9500 Geraardsbergen Belgium Research Institute for Nature and Forest team Biometrics & Quality Assurance Gaverstraat 4 9500 Geraardsbergen Belgium tel. + 32 54/436 185 thierry.onkel...@inbo.be www.inbo.be To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey > -----Oorspronkelijk bericht----- > Van: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] Namens Maas James Dr (MED) > Verzonden: donderdag 17 februari 2011 11:09 > Aan: r-help@r-project.org > Onderwerp: [R] removing lower and upper quantiles from an arry > > I'm trying to work out the simplest way to remove the upper > and lower quantiles, in this case upper and lower 25% from an > array. I can do it in two steps but when I try it in one, it > fails. Is there something simple missing from my syntax or > are there other simple elegant way to accomplish this? > > Thanks > > J > > > i <-1:20 > > i2 <- i[i<quantile(i,.75)] > > i3 <- i[i>quantile(i,.25)] > > i4 <- i[quantile(i,.25)< i > quantile(i,.75)] > Error: unexpected '>' in "i4 <- i[quantile(i,.25)< i >" > > =============================== > Dr. Jim Maas > University of East Anglia > > ______________________________________________ > 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.
