Stats with Python: Sample Correlation Coefficient is BiasedFebruary 24, 2021 | 8 min read
Is the sample correlation coefficient an unbiased estimator? No! This post visualizes how large its bias is and shows how to fix it.
PageRank Explained: Theory, Algorithm, and Some ExperimentsMarch 12, 2020 | 12 min read
How does Google's PageRank work? Its theory and algorithm are explained, followed by numerical experiments.