Muhammad Subianto wrote: > ... > I have tried to learn ?xtabs ?table and ?ftable but I can't figure out. > I need a barplot for all variables and the result maybe like > > | | | | > | | | | | | | | | > |pos|neg| |pos|neg| |pos|neg| > | | | | | | | | | > --------- --------- --------- > v1 v2 v3 .... v7 v8 > barplot(sapply(z1[1:8],by,z1[9],sum),beside=TRUE)
Jim ______________________________________________ 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.