22:50

Fitting and visualizing linear regression models with the ggplot2 R package (CC237)

34:17

Creating a broken x-axis using only the ggplot2 package in R (CC316)

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)

32:21

Replacing a stacked bar plot with a dot plot in R with ggplot2 (CC352)