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It should probably be stated that this estimator uses the Population Variance not the Sample Variance. i.e. it does not apply Bessel's Correction.

Since we're dealing with a sample of data in our ML activities not the entire population, a Sample Variance would be more intuitive (for some).

The difference will not be significant on large data sets. But it would be good to be more explicit about the calculation method.

Document Details

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• ID: ea15e2fa-1c88-31ea-76f8-5f35a0b002ee
• Version Independent ID: 3b599ef2-e67c-4e93-d0cb-38060f81b20e
• Content: NormalizationCatalog.NormalizeMeanVariance Method (Microsoft.ML)
• Content Source: dotnet/xml/Microsoft.ML/NormalizationCatalog.xml
• Product: dotnet-ml-api
• GitHub Login: @natke
• Microsoft Alias: nakersha