I would like to learn what does rows_update and family do and where is it useful to apply it ?
My question is based on this link too:
Reply that was given by user onyambu works on SO:
dplyr::rows_update(dfA, dfB, c('City', 'Name'))
but when I have tried that, it gives me an error:
Error in `dplyr::rows_update()`: ! All columns specified through `by` must exist in `x` and `y`. ℹ The following columns are missing from `x`: `City` and `Name`.
Why is that ? Any help would be much appreciated, thank you.