You might look at the function confusion() in the DAAGxtras package. John Maindonald email: john.maindon...@anu.edu.au phone : +61 2 (6125)3473 fax : +61 2(6125)5549 Centre for Mathematics & Its Applications, Room 1194, John Dedman Mathematical Sciences Building (Building 27) Australian National University, Canberra ACT 0200. http://www.maths.anu.edu.au/~johnm
On 09/03/2011, at 10:00 PM, r-help-requ...@r-project.org wrote: > From: "Shi, Tao" <shida...@yahoo.com> > Date: 9 March 2011 7:22:49 AM AEDT > To: r-help@r-project.org > Subject: [R] confusion matrix > > > Hi list, > > Is there already a function somewhere to output the confusion matrix from two > input vectors? "table" always automatically delete rows or columns with all > 0's. For example, I would like the columns for "10" and "30" added back. > > Thanks! > > ...Tao > > > > 20 40 50 60 70 80 90 100 > 10 0 0 1 0 0 0 1 0 > 20 1 2 0 4 0 0 0 1 > 30 0 0 0 0 0 0 1 1 > 40 0 0 1 1 2 0 0 0 > 50 0 1 0 0 0 1 0 0 > 60 0 0 0 0 0 0 1 1 > 70 0 0 1 1 1 1 1 1 > 80 0 1 0 0 0 0 0 1 > 90 0 0 0 0 0 0 0 3 > 100 0 0 0 0 1 0 0 3 > [[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.