Two articles ( -1 -2) about Corona Virus taught be about Infection Reproduction Numbers and Case Fatality Rates. But the graphic for one reminded me of Edward Tufte's Visual Explanations and its criticism of “pop journalism.” ( -3) The offending graphic ( -4) made me think of Howard Wainer's advice about ordering data also. Racket's sort lets us implement the advice with one-line of code.

The reproduction numbers for these seven diseases are simple enough to provide good visualization practice. This might be a good case study to ease into Racket Plot coding and Data Visualization.

The code is below.