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Test Development Learning Exchange
Test Development Learning Exchange
Nov 23, 2024 · Artificial Intelligence

Evaluating Linear Regression Model Performance with K-Fold Cross-Validation in Python

This tutorial teaches how to evaluate a linear regression model's performance using K‑fold cross‑validation in Python, covering data loading, preparation, computation of MSE and R² metrics, and visualizing predictions with matplotlib, and interpreting the results.

MSEPythonR2
0 likes · 6 min read
Evaluating Linear Regression Model Performance with K-Fold Cross-Validation in Python
JD Tech Talk
JD Tech Talk
Jul 12, 2024 · Backend Development

Traffic Recording and Replay: Practices, Challenges, and Strategies for Backend Testing

This article shares practical insights on traffic recording and replay for backend testing, covering background, recording rules, scenario coverage, handling read/write interfaces, mock versus real replay, coverage metrics, and diff result comparison to improve system stability and test completeness.

R2backend testingdiff comparison
0 likes · 11 min read
Traffic Recording and Replay: Practices, Challenges, and Strategies for Backend Testing