rownames.md
In tibble: Simple Data Frames

output test

Code
  rownames_to_column(mtcars, "cyl")
Condition
  Error in `rownames_to_column()`:
  ! Column name `cyl` must not be duplicated.
  Caused by error in `repaired_names()`:
  ! Names must be unique.
  x These names are duplicated:
    * "cyl" at locations 2 and 12.
Code
  rowid_to_column(trees, "Volume")
Condition
  Error in `rowid_to_column()`:
  ! Column name `Volume` must not be duplicated.
  Caused by error in `repaired_names()`:
  ! Names must be unique.
  x These names are duplicated:
    * "Volume" at locations 3 and 4.
Code
  column_to_rownames(mtcars, "cyl")
Condition
  Error in `column_to_rownames()`:
  ! `.data` must be a data frame without row names.
Code
  column_to_rownames(trees, "foo")
Condition
  Error in `column_to_rownames()`:
  ! Can't find column `foo` in `.data`.