php-ml/docs/machine-learning/datasets/files-dataset.md

FilesDataset

Helper class that loads dataset from files. Use folder names as targets. It extends the ArrayDataset.

Constructors Parameters

• $rootPath - (string) path to root folder that contains files dataset

use Phpml\Dataset\FilesDataset;

$dataset = new FilesDataset('path/to/data');

See ArrayDataset for more information.

Example

Files structure:

data
    business
        001.txt
        002.txt
        ...
    entertainment
        001.txt
        002.txt
        ...
    politics
        001.txt
        002.txt
        ...
    sport
        001.txt
        002.txt
        ...
    tech
        001.txt
        002.txt
        ...

Load files data with FilesDataset:

use Phpml\Dataset\FilesDataset;

$dataset = new FilesDataset('path/to/data');

$dataset->getSamples()[0][0]  // content from file path/to/data/business/001.txt
$dataset->getTargets()[0]     // business

$dataset->getSamples()[40][0] // content from file path/to/data/tech/001.txt
$dataset->getTargets()[0]     // tech