> r<-c(1,1,9,1,1,1) > col_no<-cut(r,c(0,2,3,6,8,10,100)) > levels(col_no)<-c("<2%","2-4%","4-6%","6-8%","8-10%",">10%") > col_no[1] <2% <2% 8-10% <2% <2% <2% Levels: <2% 2-4% 4-6% 6-8% 8-10% >10% [[alternative HTML version deleted]]
On 02-11-2012, at 19:11, Ni, Shenghua wrote:>> r<-c(1,1,9,1,1,1) >> col_no<-cut(r,c(0,2,3,6,8,10,100)) >> levels(col_no)<-c("<2%","2-4%","4-6%","6-8%","8-10%",">10%") >> col_no > [1] <2% <2% 8-10% <2% <2% <2% > Levels: <2% 2-4% 4-6% 6-8% 8-10% >10% >Where is the question? Berend
On 11/2/2012 11:11 AM, Ni, Shenghua wrote:>> r<-c(1,1,9,1,1,1) >> col_no<-cut(r,c(0,2,3,6,8,10,100)) >> levels(col_no)<-c("<2%","2-4%","4-6%","6-8%","8-10%",">10%") >> col_no > [1] <2% <2% 8-10% <2% <2% <2% > Levels: <2% 2-4% 4-6% 6-8% 8-10% >10%Yes. (Or, I get the same output from this code. What is the question?)> [[alternative HTML version deleted]]And herein may lie the problem... -- Brian S. Diggs, PhD Senior Research Associate, Department of Surgery Oregon Health & Science University
On Nov 2, 2012, at 11:51 AM, Berend Hasselman wrote:> > On 02-11-2012, at 19:11, Ni, Shenghua wrote: > >>> r<-c(1,1,9,1,1,1) >>> col_no<-cut(r,c(0,2,3,6,8,10,100)) >>> levels(col_no)<-c("<2%","2-4%","4-6%","6-8%","8-10%",">10%") >>> col_no >> [1] <2% <2% 8-10% <2% <2% <2% >> Levels: <2% 2-4% 4-6% 6-8% 8-10% >10% >> > > Where is the question?Back in Dec 14, 2010 https://stat.ethz.ch/pipermail/r-help/2010-December/263076.html -- David Winsemius, MD Alameda, CA, USA