Videos: Some next steps

Watching these videos on Youtube will get you a few steps ahead of your students:

Overcoming Perceptual Problems: Problems with large datasets; Overprinting; Jitter; Varying transparency & point size; Running quantiles; Tile-density plots. [7:05]

Diving deeper with more variables: Additional variables using colour, subsetting & movement; different trends per group.  [5:20]

Our Changing Health and Wealth: Case study using up to 6 variables at once by employing colour, size, subsetting, matrices of tiled plots and movement.  [5:41]