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by dh44hello
Thu Jun 09, 2022 12:52 pm
Forum: General Discussion
Topic: PCA no stretching?
Replies: 2
Views: 3062

Re: PCA no stretching?

Will do. Thanks, LazyProgrammer.
by dh44hello
Wed Jun 08, 2022 12:47 pm
Forum: General Discussion
Topic: PCA no stretching?
Replies: 2
Views: 3062

PCA no stretching?

HI LazyProgrammer, In your "Statistical Factor Models and Unsupervised Machine Learning" lectures, you mention that PCA transformations should not stretch; they should only rotate. I was hoping to understand the reason for that, if you could elaborate a little bit. (I tried posting this qu...

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