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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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