cast_character          Cast columns to a specified data type
filter_pattern          Grep and filter a data frame by pattern
filter_split            Perform various operations before splitting
keep_na                 Keep rows containing missing values
keep_pattern            Grep, keep or discard a list or vector by
                        pattern
pluck_when              Pluck a value based on other criteria
shift_row_values        Shift row values left or right
var_max                 Return the indices of n max values of a
                        variable
var_min                 Return the indices of n min values of a
                        variable
