1. actLifer::mortality
    A sample mortality data
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|85 x 3
  2. actLifer::mortality2
    A sample mortality data
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|85 x 3
  3. actLifer::mortality3
    A sample mortality data
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|170 x 4