> x <- c(1,2,3,4,2,3,3,1,2,3) > y <- c(2,1,3,4,1,3,3,2,2,3) > table(x, y) y x 1 2 3 4 1 0 2 0 0 2 2 1 0 0 3 0 0 4 0 4 0 0 0 1 > ?table
Best, Philippe Grosjean ..............................................<°}))><........ ) ) ) ) ) ( ( ( ( ( Prof. Philippe Grosjean ) ) ) ) ) ( ( ( ( ( Numerical Ecology of Aquatic Systems ) ) ) ) ) Mons-Hainaut University, Belgium ( ( ( ( ( .............................................................. Taka Matzmoto wrote: > Dear R-users > > I have two vectors. One vector includes true values and the other vector has > estimated values. Values are all integers from 1 to 4. > > For example, > > x <- c(1,2,3,4,2,3,3,1,2,3) > y <- c(2,1,3,4,1,3,3,2,2,3) > > I would like to a classfication table x by y. With the table, I would like > to calculate what percentage is correct classfication. > > Which R function do I need to use for creating a 4 * 4 classification table? > > Thank you. > > Taka, > > ______________________________________________ > 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 > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ 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 and provide commented, minimal, self-contained, reproducible code.