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Correct SVM Use #346

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merged 3 commits into from
Nov 2, 2024
Merged

Correct SVM Use #346

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c3897a3
Correct SVM Use
LouisAUTHIE Oct 29, 2024
011b52f
Update OneClassSVM.php
LouisAUTHIE Oct 30, 2024
851df84
Update OneClassSVM.php
LouisAUTHIE Nov 1, 2024
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6 changes: 4 additions & 2 deletions src/AnomalyDetectors/OneClassSVM.php
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Original file line number Diff line number Diff line change
Expand Up @@ -185,8 +185,10 @@ public function train(Dataset $dataset) : void

$data = [];

foreach ($dataset->samples() as $i => $sample) {
$data[] = array_merge([1], $sample);
foreach ($dataset->samples() as $sample) {
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So did array_unshift() turn out to be faster?

Is it necessary to assign the sample to an intermediate variable or would

foreach ($dataset->samples() as $sample) {
    array_unshift($sample, 1);

    $data[] = $sample;
}

work here as well?

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It is faster yes. And the rest works also, please see the next commit

$sample_array = $sample;
array_unshift($sample_array, 1);
$data[] = $sample_array;
}

$this->model = $this->svm->train($data);
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