mirror of
https://github.com/Llewellynvdm/php-ml.git
synced 2024-11-14 17:34:06 +00:00
7d5c6b15a4
* Fix typo in Features list * Update distance.md documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation * Fix grammatical mistakes in documentation
25 lines
568 B
Markdown
25 lines
568 B
Markdown
# Accuracy
|
|
|
|
Class for calculating classifier accuracy.
|
|
|
|
### Score
|
|
|
|
To calculate classifier accuracy score, use the `score` static method. Parameters:
|
|
|
|
* $actualLabels - (array) true sample labels
|
|
* $predictedLabels - (array) predicted labels (e.x. from test group)
|
|
* $normalize - (bool) normalize or not the result (default: true)
|
|
|
|
### Example
|
|
|
|
```
|
|
$actualLabels = ['a', 'b', 'a', 'b'];
|
|
$predictedLabels = ['a', 'a', 'a', 'b'];
|
|
|
|
Accuracy::score($actualLabels, $predictedLabels);
|
|
// return 0.75
|
|
|
|
Accuracy::score($actualLabels, $predictedLabels, false);
|
|
// return 3
|
|
```
|