23:38

Stylizing the appearance of facet labels with ggplot2's facet_wrap (CC236)

28:33

Using lubridate and ggplot2 to work with dates in R (CC234)

25:54

Using dplyr's group_by function with and without summarize (CC233)

19:14

Teste de hipóteses EXPLICADO

25:31

Using adonis and betadisper from the vegan R package to compare groups (CC208)