[R] cut2 once, bin twice...
Frank E Harrell Jr
f.harrell at vanderbilt.edu
Fri Oct 23 23:29:08 CEST 2009
> sdanzige wrote:
>> Thank you, but the regular expression example doesn't seem to work
> I wrote a regular expression that does seem to work, so I'll post it here
> for anyone else that needs it.
> upper=as.numeric(sub(")]","",sub("[[(].*, *","",labs))) )
> I fear my inelegance will peg me as a Windows programmer, but so be it...
You can also use the onlycuts=TRUE option to cut2 to get the vector of
cut points, although they are not arranged as a vector of lower and a
vector of upper values. It would be easy to customize cut2 to do that.
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
More information about the R-help