Pastes unique string vectors

A vectorised function for use with dplyr's mutate, etc

reunite(..., sep = "_")

Arguments

...	Variables to pass to the function, currently only two at a time
sep	Separator when vectors reunited, by default "_"

Value

A single vector with unique non-missing information

Examples

# NOT RUN {
data <- data.frame(fir=c(NA, "two", "three", NA),
  sec=c("one", NA, "three", NA), stringsAsFactors = F)
transmutate(data, single = reunite(fir, sec))
# }