MATH PCA
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this is related to this

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https://www.coursehero.com/file/38339402/Week-1-Mean-Covariance-of-a-data-set-and-effect-of-linear-transformationpdf/#/related

This course is delivered by coursera, week 1, of Mathematics for Machine Learning - PCA.


The def mean(X) is scored as 0, So it looks like the function is not correct. Based on the results, im guessing the return array is a vector with the wrong values, as the auto-scoring system is not scoring this answer as right.

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