dance

Transcript

1. https://github.com/romainfrancois/dance Rom ain François @romain_francois tidyverse team m eeting -

   2019/03/18

2. choreography()

3. ballet() ptypes, NULL means vec_c() does its thing Setosa Versicolor

   Virginica Results of the choreography for each group

4. summarise() polka(), waltz(), tango()

5. waltz(), polka(), tango() Peeled off grouping structure Just the new

   variables, each choreography() result must respect vec_size() == 1 Both : this is close to what summarise() does

6. tango() packing Auto splice

7. salsa()

8. mutate() chacha(), salsa(), samba()

9. samba()

10. ?? foxtrot(), bachata(), jive()

11. foxtrot() dplyr::group_map()

12. bachata() summarise() + map()

13. jive() group_modify()

14. *_all(), *_if(), *_at() swing(), twist() rumba(), zumba()

15. tango(swing()) summarise_at()

16. tango(name =twist()) summarise_at() + ???

17. tango(rumba()) summarise_at() + ???

18. tango(name = zumba()) summarise_at() + ???

19. dance not so serious reinvention of dplyr core verbs https://github.com/romainfrancois/dance