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Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 400 and 401]

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Defines 1 class

Standardize:: (1 method):
  execute()


Class: Standardize  - X-Ref

execute($value, $mean, $stdDev)   X-Ref
STANDARDIZE.

Returns a normalized value from a distribution characterized by mean and standard_dev.

param: array|float $value Value to normalize
param: array|float $mean Mean Value
param: array|float $stdDev Standard Deviation
return: array|float|string Standardized value, or a string containing an error