Thursday, March 27, 2014

Visualizing principal components with R and Sochi Olympic Athletes

Principal Components Analysis (PCA) is used as a dimensionality reduction method. Here we simply explain PCA step-by-step using data about Sochi Olympic Curlers.

Get HTML of iframes in Microsoft Playwright

Playwright is a powerful framework for web testing and automation. This article demonstrates how to extract the HTML content of child IFRAME...