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I noticed this Famous MO QuestionFamous MO Question. Its title is: "Difference between Principal Component Analysis(PCA) and Singular Value Decomposition(SVD)?Difference between Principal Component Analysis(PCA) and Singular Value Decomposition(SVD)?."

It has zero votes, but is one of the most "famous" MO questions—nearly 4-yrs old. Anyone want to conjecture how such a question became "famous"? And whether the "famous" criteria are reasonable?

I noticed this Famous MO Question. Its title is: "Difference between Principal Component Analysis(PCA) and Singular Value Decomposition(SVD)?."

It has zero votes, but is one of the most "famous" MO questions—nearly 4-yrs old. Anyone want to conjecture how such a question became "famous"? And whether the "famous" criteria are reasonable?

I noticed this Famous MO Question. Its title is: "Difference between Principal Component Analysis(PCA) and Singular Value Decomposition(SVD)?."

It has zero votes, but is one of the most "famous" MO questions—nearly 4-yrs old. Anyone want to conjecture how such a question became "famous"? And whether the "famous" criteria are reasonable?

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Joseph O'Rourke
Joseph O'Rourke
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Famous questions

I noticed this Famous MO Question. Its title is: "Difference between Principal Component Analysis(PCA) and Singular Value Decomposition(SVD)?."

It has zero votes, but is one of the most "famous" MO questions—nearly 4-yrs old. Anyone want to conjecture how such a question became "famous"? And whether the "famous" criteria are reasonable?