On Thu, 20 Mar 2003, Mmarques INESC wrote: > Hi all. > I do not know if it is a bug in the windows version but i have this > problem. > Reading a file with 200000 rows, 2 columns and transforming into a > 200000 x 2 matrix. > If I try to find an element by using the which command which gives > some correct indexes plus some others passing the 200000 row > boundaries. > If I try to reach those "outbound" indexs I get an "Error: subscript out > of bounds" . > Is this a limitation of matrix function ? or am i doing something > wrong ? > Example : > > > str(mat1) > num [1:200000, 1:2] 185 212 222 269 342 349 361 367 397 423 ...
> [1] 1 201920 203792 205211 206604 220417 223767 225169 239420 243768 249351 > 249395 252077 > What could be happening ? > > which(mat1 == 185) mat1 is a matrix 200000x2 but also a vector of length 400000. Try > ?which and > which(mat1 == 185, arr.ind = TRUE) Göran --- Göran Broström tel: +46 90 786 5223 Department of Statistics fax: +46 90 786 6614 Umeå University http://www.stat.umu.se/egna/gb/ SE-90187 Umeå, Sweden e-mail: [EMAIL PROTECTED] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help