PCA scatter plot shaded circles

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Saba Bashir
Saba Bashir 2020-7-22
回答： Star Strider 2020-7-22
I need this kind of circles with shade in my scatter plot. Someone please help me with the coding.

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回答（1 个）

Star Strider
Star Strider 2020-7-22
Those look like covariance ellipses.
See How to draw a covariance error ellipse? and specifically the Matlab source code link.
This has already been coded, so there is no reason to re-invent it.
.

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