More than a penny
False friends in analytics
analytics
Metrics for evaluating passkeys
Metrics for evaluating passkeys
Self-checkout keeps growing despite theft
Why are retailers expanding self-checkout?
Nate Silver says no to early voting data
The hard-to-predict impact of early voting
A paradox of big data
Kaiser tries the new subway card.
Excess delay
Kaiser finds a chart that analyzes London's congestion charging programme.