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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.
/lib/phpspreadsheet/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ -> LogarithmicBestFit.php (source)

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Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]

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File Size: 87 lines (2 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

LogarithmicBestFit:: (5 methods):
  getValueOfYForX()
  getValueOfXForY()
  getEquation()
  logarithmicRegression()
  __construct()


Class: LogarithmicBestFit  - X-Ref

getValueOfYForX($xValue)   X-Ref
Return the Y-Value for a specified value of X.

param: float $xValue X-Value
return: float Y-Value

getValueOfXForY($yValue)   X-Ref
Return the X-Value for a specified value of Y.

param: float $yValue Y-Value
return: float X-Value

getEquation($dp = 0)   X-Ref
Return the Equation of the best-fit line.

param: int $dp Number of places of decimal precision to display
return: string

logarithmicRegression(array $yValues, array $xValues, bool $const)   X-Ref
Execute the regression and calculate the goodness of fit for a set of X and Y data values.

param: float[] $yValues The set of Y-values for this regression
param: float[] $xValues The set of X-values for this regression

__construct($yValues, $xValues = [], $const = true)   X-Ref
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