Excess delay
Kaiser finds a chart that analyzes London's congestion charging programme.
line chart
Neither the forest nor the trees
Kaiser attempts to read a treemap of stock market values.
The cult of raw unadjusted data
Kaiser looks at a chart that supposedly says nothing.
Dual axes: a favorite of tricksters
Kaiser comes across a quintessential example of using dual axes with intent to mislead.
The media has nine lives
Kaiser checks the charts. How is omicron mild?
Vaccine researchers discard the start-at-zero rule
Kaiser revisits the practice of manipulating the vertical axis of a column chart.