One Night in Uzbekistan: How a Single Country's Data Derailed a Study
One night in Uzbekistan: Why was this one data point so influential?
A research team's findings couldn't be reproduced, and the culprit turned out to be anomalous data from Uzbekistan. This post from the Columbia University statistics blog recounts how a single country's data skewed the results, highlighting the importance of checking for outliers and the dangers of blindly trusting aggregate statistics.
We couldn't reproduce their findings and realized that it was all driven by weird data from Uzbekistan.