Meus dados são assim: # A tibble: 6 x 4 name val time x1 <chr> <dbl> <date> <dbl> 1 C Farolillo 7 2016-04-20 51.5 2 C Farolillo 3 2016-04-21 56.3 3 C Farolillo 7 2016-04-22 56.3 4 C Farolillo 13 2016-04-23 57.9 5 C Farolillo 7 2016-04-24 58.7 6 C Farolillo 9 2016-04-25...