| broadcast | broadcasts a shorter vector-like object into a vector of equal length as a longer vector-like object |
| check_length | This function checks that the vector-like objects x, y are of equal length. |
| fill | Use a given fillvalue to fill in a shorter sequence and returns a sequence of equal length to the longer sequence. Takes a subset of the fill sequence if fill sequence is longer than the difference between the longer and shorter sequences |
| zipr | zip two vector-like objects into a dataframe |