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3 questions
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Why is k correlated with the mean and variance of the distance between centroids in k-means?
I've noticed that if I'm doing k-means clustering (in MATLAB) on basically any set of data (not randomness), the mean and variance in centroid linkage distance appears to always be approximately ...
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Feature extraction based on correlations
I have a small problem regarding feature extraction with correlation. I have divided my question in four parts hoping that somebody can help me.
I have a dataset consisting of fMRI images. Each image ...
2
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1
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Non-exclusive categorical model
I have a project to model users with characteristic tags (e.g. runner, cyclist, swimmer, vegan, pianist) in order to correlate user behaviour to these labels. Obviously a user can have multiple ...