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Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/lib/mlbackend/php/phpml/src/Phpml/Classification/DecisionTree/ -> DecisionTreeLeaf.php (source)

[Source view]

Differences Between: [Versions 39 and 402] [Versions 39 and 403]

(no description)

File Size: 165 lines (4 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

DecisionTreeLeaf:: (4 methods):
  __toString()
  evaluate()
  getNodeImpurityDecrease()
  getHTML()


Class: DecisionTreeLeaf  - X-Ref

__toString()   X-Ref
HTML representation of the tree without column names


evaluate(array $record)   X-Ref
No description

getNodeImpurityDecrease(int $parentRecordCount)   X-Ref
Returns Mean Decrease Impurity (MDI) in the node.
For terminal nodes, this value is equal to 0


getHTML(?array $columnNames = null)   X-Ref
Returns HTML representation of the node including children nodes