Size of coeff in PCA example is not correct

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Nasri Balit
Nasri Balit on 30 Sep 2020
Answered: Raunak Gupta on 3 Oct 2020
Following the demo code for pca exactly gives a different coeff result.
Expected result:
My result:
I have no idea what could be causing this... Any ideas?

Answers (1)

Raunak Gupta
Raunak Gupta on 3 Oct 2020
Hi,
The vector you are seeing in your result is the component wise variance of each principal component. I tried the same example and coeff variable is a 4x4 matrix for me.
Can you try with full syntax which is mentioned below:
[coeff,score,latent] = pca(ingredients)
This should give correct result.

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