Thank you, all ! That's very helpful.
Kind regards, Chintanu ===================================== On Fri, Jul 27, 2012 at 12:57 PM, arun <smartpink...@yahoo.com> wrote: > Hi, > > Try this:a<-c(4,5,23,34,43,54,56,65,67,324,435,453,456,567,657) > a1<-melt(table(cut(a,breaks=c(0,10,20,30,60,120,240,480,960)))) > a2<-data.frame(sapply(a1,function(x) gsub("\\(|\\]","",gsub("\\,","-",x)))) > colnames(a2)<-c("numbers","Freq") > a2 > # numbers Freq > #1 0-10 2 > #2 10-20 0 > #3 20-30 1 > #4 30-60 4 > #5 60-120 2 > #6 120-240 0 > #7 240-480 4 > #8 480-960 2 > > #You can also get the same result by: > a1<-as.data.frame(table(cut(a,breaks=c(0,10,20,30,60,120,240,480,960),labels=c("0-10","10-20","20-30","30-60","60-120","120-240","240-480","480-960"))) > ) > colnames(a1)<-c("numbers","Freq") > a1 > > A.K. > > > > > > ----- Original Message ----- > From: Chintanu <chint...@gmail.com> > To: r-help@r-project.org > Cc: > Sent: Thursday, July 26, 2012 9:22 PM > Subject: [R] Counting frequency within each range > > Hi, > > This is a simple problem, but for the life of me I cannot find the answer. > How to determine frequency within given ranges ? > I know that table() gives frequency, for example > > a <- table(numbers) > > a > numbers > 4 5 23 34 43 54 56 65 67 324 435 453 456 567 657 > 2 1 2 2 1 1 2 1 2 1 3 1 1 1 1 > > > as.data.frame(table(numbers)) > numbers Freq > 1 4 2 > 2 5 1 > 3 23 2 > 4 34 2 > ... > > However, there must be some simple way to get the frequency based on > ranges, such as 0-10, 10-20, 20-30 and so on. > Please help ! > > Thank you. > > Cheers, > Chintanu > > [[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. > > [[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.