While a tibble can have row names (e.g., when converting from a regular data
frame), they are removed when subsetting with the
A warning will be raised when attempting to assign non-
NULL row names
to a tibble.
Generally, it is best to avoid row names, because they are basically a
character column with different semantics to every other column. These
functions allow to you detect if a data frame has row names
has_rownames()), remove them (
remove_rownames()), or convert
them back-and-forth between an explicit column (
Also included is
adds a column at the start of the dataframe of ascending sequential row
ids starting at 1. Note that this will remove any existing row names.