Hi all, Is there any way to remove at the same time several variables that share a suffix, for example (similar to * or ? in DOS) ? Thanks in advance, Aurora
Aurora Torrente wrote:> Is there any way to remove at the same time several variables that share > a suffix, for example (similar to * or ? in DOS) ?To remove objects sharing a suffix use something like: remove(list=objects(pattern="SUFFIX$")) To remove variables sharing a suffix from a dataframe use something like: newdata <- mydata[,-grep("SUFFIX$", names(mydata))] In both cases the $ metacharacter indicates that the literal characters are at the end of the string. hope this helps, Chuck Cleland
> x1 <- 1> y1 <- 1 > objects(pattern="*1") [1] "x1" "y1" > remove(list=objects(pattern="*1")) > objects(pattern="*1") character(0) Hope this helps. spencer graves Aurora Torrente wrote:> Hi all, > > Is there any way to remove at the same time several variables that share > a suffix, for example (similar to * or ? in DOS) ? > Thanks in advance, > > Aurora > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help