Hi: x<-runif(100,0,100) u <- cut(x, breaks = c(0, 3, 4.5, 6, 8, Inf), labels = c(1:5))
Based on the x I obtained, > table(u) u 1 2 3 4 5 3 2 1 2 92 cut() or findInterval() are the two basic functions for discretizing a numeric variable. HTH, Dennis On Fri, Jul 15, 2011 at 2:29 PM, Michael Haenlein <haenl...@escpeurope.eu> wrote: > Dear all, > > I have a continuous variable that can take on values between 0 and 100, for > example: x<-runif(100,0,100) > > I also have a second variable that defines a series of thresholds, for > example: y<-c(3, 4.5, 6, 8) > > I would like to convert my continuous variable into a discrete one using the > threshold variables: > > If x is between 0 and 3 the discrete variable should be 1 > If x is between 3 and 4.5 the discrete variable should be 2 > If x is between 4.5 and 6 the discrete variable should be 3 > If x is between 6 and 8 the discrete variable should be 4 > If x is larger than 8 the discrete variable should be 5 > > Is there a straightforward way of doing this (besides working with several > if statements in a row)? > > Thanks, > > Michael > > [[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. > ______________________________________________ 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.