Explorable explanation for matrix transformations

Instead of using a bunch of equations to memorize, Yi Zhe Ang visually explains matrix transformations to provide some intuition behind the math. Make it to the end so that you can transform a 3-D image of a cat.

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K-Means clustering visually explained

Say you want to identify clusters in a scatterplot of points. K-Means is commonly used method that might get you there. Yi Zhe Ang explains how the method works with a visual and interactive essay.

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