Remove consecutive duplicates from dataframe

Question

I have a data frame that I want to remove duplicates that are consecutive (in base). I know rle may be helpful here but can\'t think of how to use it. The exa

Answer 1

Using rle I came up with this

ind <- cumsum(rle(as.character(dat$v1))$length)
dat[ind, ]

ind indicates either the first or the last of consecutive entries.

EDIT:

A simple solution to Matthews comment would be

dat[15, 2] <- "May"
dat[cumsum(rle(paste0(dat$v1, dat$v2))$length), ]