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Developer Documentation
See Release Notes
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.
Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401]
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| File Size: | 236 lines (7 kb) |
| Included or required: | 0 times |
| Referenced: | 0 times |
| Includes or requires: | 0 files |
Defines 1 class
FuzzyCMeans:: (10 methods):
__construct()
getMembershipMatrix()
cluster()
initClusters()
generateRandomMembership()
updateClusters()
getMembershipRowTotal()
updateMembershipMatrix()
getDistanceCalc()
getObjective()
Class: FuzzyCMeans - X-Ref
| __construct(int $clustersNumber, float $fuzziness = 2.0, float $epsilon = 1e-2, int $maxIterations = 100) X-Ref |
| getMembershipMatrix() X-Ref |
| No description |
| cluster(array $samples) X-Ref |
| No description |
| initClusters() X-Ref |
| No description |
| generateRandomMembership(int $rows, int $cols) X-Ref |
| No description |
| updateClusters() X-Ref |
| No description |
| getMembershipRowTotal(int $row, int $col, bool $multiply) X-Ref |
| No description |
| updateMembershipMatrix() X-Ref |
| No description |
| getDistanceCalc(int $row, int $col) X-Ref |
| No description |
| getObjective() X-Ref |
| The objective is to minimize the distance between all data points and all cluster centers. This method returns the summation of all these distances |
