When should we use bar charts?
Kaiser looks at two column charts.
Is this dataviz?
Kaiser looks for the data behind this pie chart.
The radial is still broken
Kaiser puzzles out yet another radial chart.
Adjust, and adjust some more
Kaiser looks at an interactive chart in the Financial Times.
Combining probabilities
Kaiser explains how probabilities are aggregated.
Excess delay
Kaiser finds a chart that analyzes London's congestion charging programme.