Blog Posts — Page 4
More articles on software, AI, and building useful things.
AI Pair Programming: A Tool That Never Asks Why
AI can produce a plausible implementation quickly. A small billing example shows why the developer still has to supply the missing rule.
Ethical AI Development: The Model Is Accurate. Should We Ship It?
A support-triage example turns broad AI ethics principles into concrete decisions about evidence, appeal, and responsibility.
Bias in AI: Equal Accuracy Can Hide Unequal Errors
A worked example shows how equal accuracy can conceal unequal errors—and why fixing bias requires more than balancing a dataset.
Python for Data Science: One CSV, Three Libraries, One Question
Use pandas, NumPy, and Matplotlib to investigate delivery delays without turning a small analysis into a framework collection.
Regression Metrics: When MAE and RMSE Pick Different Models
MAE and RMSE disagree for a reason. A three-prediction example makes that reason visible, then puts R-squared in context.
Classification Metrics: 95.6% Accuracy, Yet Most Spam Warnings Are Wrong
One confusion matrix explains precision, recall, F1, and why a strong-looking accuracy score can describe a frustrating product.