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Rescaling
| Глоссарий технических терминов |
Strictly speaking, rescaling is multiplying or dividing a variable by some constant. often used in the sense of standardizing. see also: standardizing.
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Масштаба, русский
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Standardizing, английский
A numeric variable can be standardized by subtracting a "mean" or some other center and then dividing by its range or standard deviation. dividing by the range yields a new variable in the [0, 1] range, and dividing by the standard deviation yields a variable with a unit variance. standardization allows one to use techniques that require variables to be in a [0, 1] range such as certain activation functions in neural networks and spline basis decompositions. it also can improve the numeric stability of a technique.
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Размера, русский
Масштаба, русский
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