1. versus::example_df_a
    Modified version of 'datasets::mtcars' - version a
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|9 x 9
  2. versus::example_df_b
    Modified version of 'datasets::mtcars' - version b
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|10 x 9