The trouble with two lines
It's never a good idea to put two scales on
Time series
Mind the gap
When comparing two time series, one typically wants to discuss the size
How to read a graph
Via Gelman, here is a nifty book-buying map from Amazon, displaying
Political theater
Jens, a long-time reader, tried to re-make the boring data
Loss aversion
Loss aversion manifests itself in chart-making, as it does in economics.
A tale on two charts
By now, everyone knows subprime mortgage lenders in the U.S. are