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In computability and complexity, finding mappings between problems that allow solving one problem using a solution of another one. For reduction in programming language theory (e.g. beta-reduction), see [lambda-calculus] or [term-rewriting].
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Expectation of $u'^t v$ = $u^t v$
I have another question with dimensionality reduction.
I have a matrix $S \in R^{k \times d}$ and S is in {$- \frac{1}{\sqrt k}, \frac{1}{\sqrt k}$} and i have two vector $u,v \in R^d $.
I need to …
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Cluster with categorical / ordinal
i have a dataset with movies review. I wish cluster my element but inside i have a
categorical / ordinal values.
i seen that exist:
MCA (Multiple Correspondence Analysis)
https://www.utdallas.edu …