dataviz

Benford’s Law: The Mathematical Fingerprint Hidden in Every Dataset

Discovered in 1881 when a mathematician noticed his logarithm tables wore out unevenly, Benford’s Law reveals that the digit 1 appears as the leading digit in 30% of all naturally occurring numbers. A data science guide to using this mathematical fingerprint for fraud detection, data quality testing, and forensic analysis.

The Histogram: From Pearson’s Evolution to Modern Density

The histogram is the most familiar chart in data analysis — and one of the most treacherous. A deep dive into Karl Pearson’s invention, the hidden dangers of binning bias, and when Kernel Density Estimation gives a more honest picture of your data.