an introduction to Principal Component Analysis (PCA)
an introduction to Principal Component Analysis (PCA)
an introduction to Principal Component Analysis (PCA)
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usage of <strong>PCA</strong>: Data compression<br />
Reduce the dimensionality of the data<br />
from p <strong>to</strong> m < p by approximating<br />
where<br />
<strong>an</strong>d<br />
is the n x m portion of<br />
is the p x m portion of