1. echoice2::icecream
    icecream
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|39600 x 8
  2. echoice2::icecream_discrete
    icecream_discrete
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|43200 x 8
  3. echoice2::pizza
    pizza
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|12240 x 11