2026-06-05 / 4 min
How I built the clustering canvas
k-means and DBSCAN running live on the homepage, written from scratch.
Ochudi / Writing
Writing.
Essays on clustering, engineering, and teaching. Long on specifics, short on opinion pieces.
2026-05-12 / 3 min
Clustering deep features to audit defect labels
ResNet-50 embeddings, three clustering algorithms, and what they reveal about an industrial defect dataset.
2026-04-20 / 3 min
Teaching problem solving before syntax
COS 102 spends its first week on the problem, not the Python. Here is why.
2026-04-02 / 3 min
What DBSCAN sees that k-means cannot
Density clustering on shapes k-means gets wrong.