Your post demonstrates why we ask people to NOT post in HTML. Attempting to decode it, I think the problem might be
birds==c(1,23,24,29) Look at this: birds <- c(2, 4, 1, 23, 8, 24) birds <- data.frame(birds) birds[birds[,1] == c(1,23,24,29),] And compare birds[birds[,1] %in% c(1,23,24,29),] You might also benefit from reading ?subset and the Introduction to R that came with your installation. Sarah On Fri, Sep 27, 2013 at 2:20 PM, Mariki Zietsman <morgande...@hotmail.com> wrote: > I have a data frame frugivore.abundance.S1 where some columns are factors and > others are numbers.For example these are my independent variables and > "density" is my dependent variable. census<-c(1:70)sites<-c(1:5)birds<-c(1:45) > > I want to select the data where sites is 1 and birds are 1,23,24 or 29 > So I > write:fa1<-frugivore.abundance.S1attach(fa1)(abund.frug.RN1<-fa1[sites==1 & > birds==c(1,23,24,29),]) > This code doesn't print all the data it should for some reason. It seems to > not print rows where "density" has the same value as another row with the > same criteria. > i.e. if in the original data we have the following then only rows 1 and 3 > will be printed, not all of them: > census sites birds density1 1 1 0.0032 > 1 1 0.0033 1 1 > 0.001 > Can anyone help me out with this please? > RegardsMariki > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.
