Dear Erez, How about C <- A + B ?
Regards, John -------------------------------- John Fox Department of Sociology McMaster University Hamilton, Ontario Canada L8S 4M4 905-525-9140x23604 http://socserv.mcmaster.ca/jfox -------------------------------- > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Erez > Sent: Tuesday, November 01, 2005 5:39 AM > To: r-help@stat.math.ethz.ch > Subject: [R] (no subject) > > Hi > > I need an advise if any one can help me. > i have mass of data in 2 array A and B: > A = 0 1 0 0 1 1 0 0 > B = 0 0 0 1 0 1 1 1 > and i have 3 rules to merge them into 3rd array C: > if A[i] + B[i] == 0 then C[i]=0 > if A[i] + B[i] == 1 then C[i]=1 > if A[i] + B[i] == 2 then C[i]=2 > it looks easy but with the regular way (loop) with large data > it takes days (i test it). > If any one can advise me what to do i'll be happy. > > Thanks > Erez > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html