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[D] I’m quite new to PCA but what does it mean to get a silhouette score of PC1?

Sorry if this doesn’t make sense – I’m a new PhD student and looking into PCA – I think I understand the idea of it, I’ve worked with PC1 and PC2, I’ve plotted to visualise, and retrieved eigenvalues. I understand the silhouette scores: I am using the highest score as K (number of clusters) for my K-means.

But today my post doc supervisor said something like “PC1 is a number and I retrieved a silhouette score…” – I’m not sure what this means?

Thanks for any help!

submitted by /u/sap218
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.