reduction dimension what is
Definition of dimension reduction for developer: called principal component analysis to extract one.

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Definition dimension reduction

Explain: Also, dimensionality reduction. “We can use a technique called principal component analysis to extract one or more dimensions that capture as much of the variation in the data as possible... Dimensionality reduction is mostly useful when your data set has a large number of dimensions and you want to find a small subset that captures most of the variation.”[grus] Linear algebra can be involved; “broadly speaking, linear algebra is about translating something residing in an m-dimensional space into a corresponding shape in an n-dimensional space.”[shin] See also linear algebra.

Different definitions in web development like dimension reduction in Dictionary D.