Hi Farnoosh,
If I understand it correctly,
dat <-read.table(text="Var1
Great>5
great
'less great<2'
'approx great11'",sep="",header=TRUE,stringsAsFactors=FALSE)
?dat$Var1 <- gsub(".*(great).*","\\L\\1",dat$Var1,ignore.case=TRUE,perl=TRUE)
?dat$Var1
#[1] "great" "great" "great" "great"
A.K.
On Thursday, February 13, 2014 5:04 PM, farnoosh sheikhi <farnoosh_81 at yahoo.com> wrote:
Hi Arun, One more questions, I have a column which is a character column like below. I want to replace these values to a unique value like great. How do I do that? Thanks. Var1 Great>5 great less great<2 approx great11 Regards,?Farnoosh Sheikhi