Concatenation can be done by using paste function in R.
> paste("I", "Love", "R", sep=" ") [1] "I Love R"
If we want to specify characters between words then it can be done by using collapse argument as follows −
> x <- c("I", "Love", "R") > x [1] "I" "Love" "R" > paste(x, collapse="-") [1] "I-Love-R"