z %% 2 == 1 has 12 logical values. What do you expect R to do with it worth respect to 4 rows? -- Sent from my phone. Please excuse my brevity.
On May 30, 2016 11:38:46 AM PDT, Carl Sutton via R-help <r-help@r-project.org> wrote: >Hi Guru's >In my quest to understand R I have what I thought was a simple exercise >that now has me baffled. Why the error message after running this >code? I am totally baffled by the error message. I was expecting rows >1 and 3 of the x matrix to be returned, and have not a clue as to why >this becomes a subscript difficulty. The manual was of no help in this >matter. > >x <- c(1:3,2:4) >x <- matrix(x, nrow = 3) >x >z <- c(1:4,1,1,0,0,1,0,1,0) >z <- matrix(z, ncol = 3) >z >x[x[,2]>= 3,] >x >z %% 2 == 1 >x[z %% 2 == 1,]Error in x[z%%2 == 1, ] : (subscript) logical subscript >too long >Many thanks for your assistance. >Carl Sutton CPA > > [[alternative HTML version deleted]] > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >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. [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
