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A comment on A tutorial on Principal Component Analysis. Parent comment

Re:A tutorial on Principal Component Analysis by bunderbunder on Friday October 19, 2018 @05:05PM (#18260064)
FWIW, latent semantic analysis is just a particular application of principal component analysis.
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Re:A tutorial on Principal Component Analysis by closed on Friday October 19, 2018 @05:36PM (#18260239)
And principle component analysis is a special case of factor analysis, which definitely makes all this stuff fit together nicely!

https://www.microsoft.com/en-us/research/wp-content/uploads/...

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Re:A tutorial on Principal Component Analysis by kurthr on Saturday October 20, 2018 @01:46AM (#18261943)
This PPCA is really clever... allowing MLE for missing data/variance in a PCA in genius.
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