Kia ora Juan ?merge
HTH .... Peter Alspach > -----Original Message----- > From: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] On Behalf Of Juan Pablo Fededa > Sent: Wednesday, 8 April 2009 8:55 a.m. > To: r-help@r-project.org > Subject: [R] matrix filtering and reordering > > I have two matrixes, > > red: > > a 123 > c 200 > d 400 > e 650 > g 127 > f 100 > > and blue: > > a 10 > b 20 > c 30 > d 40 > e 50 > f 60 > g 70 > > is there any easy way to get the next matrix: > > a 10 123 > b 20 0 > c 30 200 > d 40 400 > e 50 650 > f 60 100 > g 70 127 > > i.e. to add in the third column of blue the [,2] values of > red corresponding to the file with same [x,1] value of blue, > adding a cero in the case that there is no [x,1] > corresponding value in the red matrixes (case for row 2 of blue). > Thanks in advance, > > > juan > > > > Juan Pablo Fededa > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > The contents of this e-mail are confidential and may be subject to legal privilege. If you are not the intended recipient you must not use, disseminate, distribute or reproduce all or any part of this e-mail or attachments. If you have received this e-mail in error, please notify the sender and delete all material pertaining to this e-mail. Any opinion or views expressed in this e-mail are those of the individual sender and may not represent those of The New Zealand Institute for Plant and Food Research Limited. ______________________________________________ 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.
