Jingga/phpOMS
1
0
Fork 0
mirror of https://github.com/Karaka-Management/phpOMS.git synced 2026-02-10 22:18:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

handle correlation quantity

Browse Source
This commit is contained in:
Dennis Eichhorn 2022-12-24 23:55:26 +01:00
parent af4dca3ee4
commit 476fc943e9
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Business/Marketing/ArticleCorrelationAffinity.php
View File

@ -69,16 +69,19 @@ final class ArticleCorrelationAffinity
// create the random variables // create the random variables
foreach ($orders as $items) { foreach ($orders as $items) {
foreach ($possibleItems as $item) { foreach ($possibleItems as $item) {
$this->items[$item][] = $items[$item]; $this->items[$item][] = $considerQuantity ? $items[$item] : (int) ($items[$item] > 0);
} }
} }
// create the affinity table // create the affinity table
foreach ($possibleItems as $item1) { foreach ($possibleItems as $item1) {
foreach ($possibleItems as $item2) { foreach ($possibleItems as $item2) {
if ($item1 !== $item2 && !isset($this->affinity[$item1][$item2]) && !isset($this->affinity[$item2][$item1])) { if ($item1 !== $item2
&& !isset($this->affinity[$item1][$item2])
&& !isset($this->affinity[$item2][$item1])
) {
$this->affinity[$item1][$item2] = Correlation::bravaisPersonCorrelationCoefficientPopulation($this->items[$item1], $this->items[$item2]); $this->affinity[$item1][$item2] = Correlation::bravaisPersonCorrelationCoefficientPopulation($this->items[$item1], $this->items[$item2]);
$this->affinity[$item2][$item1] = $this->affinity[$item1][$item2]; $this->affinity[$item2][$item1] = $this->affinity[$item1][$item2]; // php automatically creates references!
} }
} }
} }