octoleo/php-ml
1
0
Fork 0
mirror of https://github.com/Llewellynvdm/php-ml.git synced 2024-11-21 20:45:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add performance test for LeastSquares (#263)

Browse Source 
* Install phpbench 🚀

* Add first benchmark for LeastSquares

* Update README and CONTRIBUTING guide

* Fix typo
This commit is contained in:
Arkadiusz Kondas 2018-03-10 21:48:16 +01:00 committed by GitHub
parent af2d732194
commit a36fe086d3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 526 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -1,3 +1,4 @@
/vendor/ /vendor/
.php_cs.cache .php_cs.cache
/build /build
/tests/Performance/Data/*.csv

24
CONTRIBUTING.md
View File

@ -8,7 +8,7 @@ code base clean, unified and future proof.
You should only open pull requests against the `master` branch. You should only open pull requests against the `master` branch.
## Unit-Tests ## Unit Tests
Please try to add a test for your pull-request. You can run the unit-tests by calling: Please try to add a test for your pull-request. You can run the unit-tests by calling:
@ -16,6 +16,22 @@ Please try to add a test for your pull-request. You can run the unit-tests by ca
vendor/bin/phpunit vendor/bin/phpunit
``` ```
## Performance Tests
Before first run bootstrap script will download all necessary datasets from public repository `php-ai/php-ml-datasets`.
Time performance tests:
```bash
vendor/bin/phpbench run --report=time
```
Memory performance tests:
```bash
vendor/bin/phpbench run --report=memory
```
## Travis ## Travis
GitHub automatically run your pull request through Travis CI. GitHub automatically run your pull request through Travis CI.
@ -23,21 +39,21 @@ If you break the tests, I cannot merge your code, so please make sure that your
## Merge ## Merge
Please allow me time to review your pull requests. I will give my best to review everything as fast as possible, but cannot always live up to my own expectations. Please give me time to review your pull requests. I will give my best to review everything as fast as possible, but cannot always live up to my own expectations.
## Coding Standards & Static Analysis ## Coding Standards & Static Analysis
When contributing code to PHP-ML, you must follow its coding standards. To do that, just run: When contributing code to PHP-ML, you must follow its coding standards. To do that, just run:
```bash ```bash
vendor/bin/ecs check src tests --fix composer fix-cs
``` ```
[More about EasyCodingStandard](https://github.com/Symplify/EasyCodingStandard) [More about EasyCodingStandard](https://github.com/Symplify/EasyCodingStandard)
Code has to also pass static analysis by [PHPStan](https://github.com/phpstan/phpstan): Code has to also pass static analysis by [PHPStan](https://github.com/phpstan/phpstan):
```bash ```bash
vendor/bin/phpstan.phar analyse src tests --level max --configuration phpstan.neon composer phpstan
``` ```

18
README.md
View File

@ -9,11 +9,9 @@
[![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=master)](https://coveralls.io/github/php-ai/php-ml?branch=master) [![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=master)](https://coveralls.io/github/php-ai/php-ml?branch=master)
[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master)
<a href="http://www.yegor256.com/2016/10/23/award-2017.html"> <p align="center">
<img src="http://www.yegor256.com/images/award/2017/winner-itcraftsmanpl.png" <img src="https://github.com/php-ai/php-ml/blob/master/docs/assets/php-ml-logo.png" />
style="width:203px;height:45px;"/></a> </p>
![PHP-ML - Machine Learning library for PHP](docs/assets/php-ml-logo.png)
Fresh approach to Machine Learning in PHP. Algorithms, Cross Validation, Neural Network, Preprocessing, Feature Extraction and much more in one library. Fresh approach to Machine Learning in PHP. Algorithms, Cross Validation, Neural Network, Preprocessing, Feature Extraction and much more in one library.
@ -35,6 +33,11 @@ echo $classifier->predict([3, 2]);
// return 'b' // return 'b'
``` ```
## Awards
<a href="http://www.yegor256.com/2016/10/23/award-2017.html">
<img src="http://www.yegor256.com/images/award/2017/winner-itcraftsmanpl.png" width="400"/></a>
## Documentation ## Documentation
To find out how to use PHP-ML follow [Documentation](http://php-ml.readthedocs.org/). To find out how to use PHP-ML follow [Documentation](http://php-ml.readthedocs.org/).
@ -51,6 +54,10 @@ composer require php-ai/php-ml
Example scripts are available in a separate repository [php-ai/php-ml-examples](https://github.com/php-ai/php-ml-examples). Example scripts are available in a separate repository [php-ai/php-ml-examples](https://github.com/php-ai/php-ml-examples).
## Datasets
Public datasets are available in a separate repository [php-ai/php-ml-datasets](https://github.com/php-ai/php-ml-datasets).
## Features ## Features
* Association rule learning * Association rule learning
@ -120,6 +127,7 @@ Example scripts are available in a separate repository [php-ai/php-ml-examples](
## Contribute ## Contribute
- [Guide: CONTRIBUTING.md](https://github.com/php-ai/php-ml/blob/master/CONTRIBUTING.md)
- [Issue Tracker: github.com/php-ai/php-ml](https://github.com/php-ai/php-ml/issues) - [Issue Tracker: github.com/php-ai/php-ml](https://github.com/php-ai/php-ml/issues)
- [Source Code: github.com/php-ai/php-ml](https://github.com/php-ai/php-ml) - [Source Code: github.com/php-ai/php-ml](https://github.com/php-ai/php-ml)

1
composer.json
View File

@ -23,6 +23,7 @@
"php": "^7.1" "php": "^7.1"
}, },
"require-dev": { "require-dev": {
"phpbench/phpbench": "^0.14.0",
"phpstan/phpstan-phpunit": "^0.9.4", "phpstan/phpstan-phpunit": "^0.9.4",
"phpstan/phpstan-shim": "^0.9", "phpstan/phpstan-shim": "^0.9",
"phpstan/phpstan-strict-rules": "^0.9.0", "phpstan/phpstan-strict-rules": "^0.9.0",

406
composer.lock generated
View File

@ -4,9 +4,64 @@
"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file", "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
"This file is @generated automatically" "This file is @generated automatically"
], ],
"content-hash": "9135b3dece8c6938922f757123274e95", "content-hash": "fc88078118714e9fb6b13a02dba0bd00",
"packages": [], "packages": [],
"packages-dev": [ "packages-dev": [
{
"name": "beberlei/assert",
"version": "v2.9.2",
"source": {
"type": "git",
"url": "https://github.com/beberlei/assert.git",
"reference": "2d555f72f3f4ff9e72a7bc17cb8a53c86737c8a0"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/beberlei/assert/zipball/2d555f72f3f4ff9e72a7bc17cb8a53c86737c8a0",
"reference": "2d555f72f3f4ff9e72a7bc17cb8a53c86737c8a0",
"shasum": ""
},
"require": {
"ext-mbstring": "*",
"php": ">=5.3"
},
"require-dev": {
"friendsofphp/php-cs-fixer": "^2.1.1",
"phpunit/phpunit": "^4.8.35|^5.7"
},
"type": "library",
"autoload": {
"psr-4": {
"Assert\\": "lib/Assert"
},
"files": [
"lib/Assert/functions.php"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"BSD-2-Clause"
],
"authors": [
{
"name": "Benjamin Eberlei",
"email": "kontakt@beberlei.de",
"role": "Lead Developer"
},
{
"name": "Richard Quadling",
"email": "rquadling@gmail.com",
"role": "Collaborator"
}
],
"description": "Thin assertion library for input validation in business models.",
"keywords": [
"assert",
"assertion",
"validation"
],
"time": "2018-01-25T13:33:16+00:00"
},
{ {
"name": "composer/semver", "name": "composer/semver",
"version": "1.4.2", "version": "1.4.2",
@ -375,6 +430,144 @@
], ],
"time": "2017-08-23T07:46:41+00:00" "time": "2017-08-23T07:46:41+00:00"
}, },
{
"name": "lstrojny/functional-php",
"version": "1.7.0",
"source": {
"type": "git",
"url": "https://github.com/lstrojny/functional-php.git",
"reference": "7c2091ddea572e012aa980e5d19d242d3a06ad5b"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/lstrojny/functional-php/zipball/7c2091ddea572e012aa980e5d19d242d3a06ad5b",
"reference": "7c2091ddea572e012aa980e5d19d242d3a06ad5b",
"shasum": ""
},
"require": {
"php": "~7"
},
"require-dev": {
"phpunit/phpunit": "~6"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.2-dev"
}
},
"autoload": {
"psr-4": {
"Functional\\": "src/Functional"
},
"files": [
"src/Functional/Average.php",
"src/Functional/Capture.php",
"src/Functional/ConstFunction.php",
"src/Functional/CompareOn.php",
"src/Functional/CompareObjectHashOn.php",
"src/Functional/Compose.php",
"src/Functional/Concat.php",
"src/Functional/Contains.php",
"src/Functional/Curry.php",
"src/Functional/CurryN.php",
"src/Functional/Difference.php",
"src/Functional/DropFirst.php",
"src/Functional/DropLast.php",
"src/Functional/Each.php",
"src/Functional/Equal.php",
"src/Functional/ErrorToException.php",
"src/Functional/Every.php",
"src/Functional/False.php",
"src/Functional/Falsy.php",
"src/Functional/Filter.php",
"src/Functional/First.php",
"src/Functional/FirstIndexOf.php",
"src/Functional/FlatMap.php",
"src/Functional/Flatten.php",
"src/Functional/Flip.php",
"src/Functional/GreaterThan.php",
"src/Functional/GreaterThanOrEqual.php",
"src/Functional/Group.php",
"src/Functional/Head.php",
"src/Functional/Id.php",
"src/Functional/IfElse.php",
"src/Functional/Identical.php",
"src/Functional/IndexesOf.php",
"src/Functional/Intersperse.php",
"src/Functional/Invoke.php",
"src/Functional/InvokeFirst.php",
"src/Functional/InvokeIf.php",
"src/Functional/InvokeLast.php",
"src/Functional/Invoker.php",
"src/Functional/Last.php",
"src/Functional/LastIndexOf.php",
"src/Functional/LessThan.php",
"src/Functional/LessThanOrEqual.php",
"src/Functional/LexicographicCompare.php",
"src/Functional/Map.php",
"src/Functional/Match.php",
"src/Functional/Maximum.php",
"src/Functional/Memoize.php",
"src/Functional/Minimum.php",
"src/Functional/None.php",
"src/Functional/Not.php",
"src/Functional/PartialAny.php",
"src/Functional/PartialLeft.php",
"src/Functional/PartialMethod.php",
"src/Functional/PartialRight.php",
"src/Functional/Partition.php",
"src/Functional/Pick.php",
"src/Functional/Pluck.php",
"src/Functional/Poll.php",
"src/Functional/Product.php",
"src/Functional/Ratio.php",
"src/Functional/ReduceLeft.php",
"src/Functional/ReduceRight.php",
"src/Functional/Reindex.php",
"src/Functional/Reject.php",
"src/Functional/Retry.php",
"src/Functional/Select.php",
"src/Functional/SelectKeys.php",
"src/Functional/SequenceConstant.php",
"src/Functional/SequenceExponential.php",
"src/Functional/SequenceLinear.php",
"src/Functional/Some.php",
"src/Functional/Sort.php",
"src/Functional/Sum.php",
"src/Functional/SuppressError.php",
"src/Functional/Tap.php",
"src/Functional/Tail.php",
"src/Functional/TailRecursion.php",
"src/Functional/True.php",
"src/Functional/Truthy.php",
"src/Functional/Unique.php",
"src/Functional/With.php",
"src/Functional/Zip.php",
"src/Functional/ZipAll.php"
]
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Lars Strojny",
"email": "lstrojny@php.net",
"homepage": "http://usrportage.de"
},
{
"name": "Max Beutel",
"email": "nash12@gmail.com"
}
],
"description": "Functional primitives for PHP",
"keywords": [
"functional"
],
"time": "2018-01-03T10:08:50+00:00"
},
{ {
"name": "myclabs/deep-copy", "name": "myclabs/deep-copy",
"version": "1.7.0", "version": "1.7.0",
@ -1072,6 +1265,168 @@
], ],
"time": "2017-10-19T09:58:18+00:00" "time": "2017-10-19T09:58:18+00:00"
}, },
{
"name": "phpbench/container",
"version": "1.2",
"source": {
"type": "git",
"url": "https://github.com/phpbench/container.git",
"reference": "c0e3cbf1cd8f867c70b029cb6d1b0b39fe6d409d"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/phpbench/container/zipball/c0e3cbf1cd8f867c70b029cb6d1b0b39fe6d409d",
"reference": "c0e3cbf1cd8f867c70b029cb6d1b0b39fe6d409d",
"shasum": ""
},
"require": {
"psr/container": "^1.0"
},
"require-dev": {
"phpunit/phpunit": "^4.8.36"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.0-dev"
}
},
"autoload": {
"psr-4": {
"PhpBench\\DependencyInjection\\": "lib/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Daniel Leech",
"email": "daniel@dantleech.com"
}
],
"description": "Simple, configurable, service container.",
"time": "2018-02-12T08:08:59+00:00"
},
{
"name": "phpbench/dom",
"version": "0.2.0",
"source": {
"type": "git",
"url": "https://github.com/phpbench/dom.git",
"reference": "b135378dd0004c05ba5446aeddaf0b83339c1c4c"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/phpbench/dom/zipball/b135378dd0004c05ba5446aeddaf0b83339c1c4c",
"reference": "b135378dd0004c05ba5446aeddaf0b83339c1c4c",
"shasum": ""
},
"require": {
"ext-dom": "*",
"php": "^5.4|^7.0"
},
"require-dev": {
"phpunit/phpunit": "^4.6"
},
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.0-dev"
}
},
"autoload": {
"psr-4": {
"PhpBench\\Dom\\": "lib/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Daniel Leech",
"email": "daniel@dantleech.com"
}
],
"description": "DOM wrapper to simplify working with the PHP DOM implementation",
"time": "2016-02-27T12:15:56+00:00"
},
{
"name": "phpbench/phpbench",
"version": "0.14.0",
"source": {
"type": "git",
"url": "https://github.com/phpbench/phpbench.git",
"reference": "ea2c7ca1cdbfa952b8d50c4f36fc233dbfabe3c9"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/phpbench/phpbench/zipball/ea2c7ca1cdbfa952b8d50c4f36fc233dbfabe3c9",
"reference": "ea2c7ca1cdbfa952b8d50c4f36fc233dbfabe3c9",
"shasum": ""
},
"require": {
"beberlei/assert": "^2.4",
"doctrine/annotations": "^1.2.7",
"ext-dom": "*",
"ext-json": "*",
"ext-pcre": "*",
"ext-reflection": "*",
"ext-spl": "*",
"lstrojny/functional-php": "1.0|^1.2.3",
"php": "^7.0",
"phpbench/container": "~1.0",
"phpbench/dom": "~0.2.0",
"seld/jsonlint": "^1.0",
"symfony/console": "^2.6|^3.0|^4.0",
"symfony/debug": "^2.4|^3.0|^4.0",
"symfony/filesystem": "^2.4|^3.0|^4.0",
"symfony/finder": "^2.4|^3.0|^4.0",
"symfony/options-resolver": "^2.6|^3.0|^4.0",
"symfony/process": "^2.1|^3.0|^4.0"
},
"require-dev": {
"doctrine/dbal": "^2.4",
"liip/rmt": "^1.2",
"padraic/phar-updater": "^1.0",
"phpstan/phpstan": "^0.8.5",
"phpunit/phpunit": "^6.0"
},
"suggest": {
"ext-xdebug": "For XDebug profiling extension."
},
"bin": [
"bin/phpbench"
],
"type": "library",
"extra": {
"branch-alias": {
"dev-master": "1.0-dev"
}
},
"autoload": {
"psr-4": {
"PhpBench\\": "lib/",
"PhpBench\\Extensions\\Dbal\\": "extensions/dbal/lib/",
"PhpBench\\Extensions\\XDebug\\": "extensions/xdebug/lib/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Daniel Leech",
"email": "daniel@dantleech.com"
}
],
"description": "PHP Benchmarking Framework",
"time": "2017-12-05T15:55:57+00:00"
},
{ {
"name": "phpdocumentor/reflection-common", "name": "phpdocumentor/reflection-common",
"version": "1.0.1", "version": "1.0.1",
@ -2457,6 +2812,55 @@
"homepage": "https://github.com/sebastianbergmann/version", "homepage": "https://github.com/sebastianbergmann/version",
"time": "2016-10-03T07:35:21+00:00" "time": "2016-10-03T07:35:21+00:00"
}, },
{
"name": "seld/jsonlint",
"version": "1.7.1",
"source": {
"type": "git",
"url": "https://github.com/Seldaek/jsonlint.git",
"reference": "d15f59a67ff805a44c50ea0516d2341740f81a38"
},
"dist": {
"type": "zip",
"url": "https://api.github.com/repos/Seldaek/jsonlint/zipball/d15f59a67ff805a44c50ea0516d2341740f81a38",
"reference": "d15f59a67ff805a44c50ea0516d2341740f81a38",
"shasum": ""
},
"require": {
"php": "^5.3 || ^7.0"
},
"require-dev": {
"phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
},
"bin": [
"bin/jsonlint"
],
"type": "library",
"autoload": {
"psr-4": {
"Seld\\JsonLint\\": "src/Seld/JsonLint/"
}
},
"notification-url": "https://packagist.org/downloads/",
"license": [
"MIT"
],
"authors": [
{
"name": "Jordi Boggiano",
"email": "j.boggiano@seld.be",
"homepage": "http://seld.be"
}
],
"description": "JSON Linter",
"keywords": [
"json",
"linter",
"parser",
"validator"
],
"time": "2018-01-24T12:46:19+00:00"
},
{ {
"name": "slevomat/coding-standard", "name": "slevomat/coding-standard",
"version": "4.2.1", "version": "4.2.1",

14
docs/index.md
View File

@ -9,11 +9,9 @@
[![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=master)](https://coveralls.io/github/php-ai/php-ml?branch=master) [![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=master)](https://coveralls.io/github/php-ai/php-ml?branch=master)
[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master)
<a href="http://www.yegor256.com/2016/10/23/award-2017.html"> <p align="center">
<img src="http://www.yegor256.com/images/award/2017/winner-itcraftsmanpl.png" <img src="https://github.com/php-ai/php-ml/blob/master/docs/assets/php-ml-logo.png" />
style="width:203px;height:45px;"/></a> </p>
![PHP-ML - Machine Learning library for PHP](assets/php-ml-logo.png)
Fresh approach to Machine Learning in PHP. Algorithms, Cross Validation, Neural Network, Preprocessing, Feature Extraction and much more in one library. Fresh approach to Machine Learning in PHP. Algorithms, Cross Validation, Neural Network, Preprocessing, Feature Extraction and much more in one library.
@ -35,6 +33,11 @@ $classifier->predict([3, 2]);
// return 'b' // return 'b'
``` ```
## Awards
<a href="http://www.yegor256.com/2016/10/23/award-2017.html">
<img src="http://www.yegor256.com/images/award/2017/winner-itcraftsmanpl.png" width="400"/></a>
## Documentation ## Documentation
To find out how to use PHP-ML follow [Documentation](http://php-ml.readthedocs.org/). To find out how to use PHP-ML follow [Documentation](http://php-ml.readthedocs.org/).
@ -105,6 +108,7 @@ Example scripts are available in a separate repository [php-ai/php-ml-examples](
## Contribute ## Contribute
- Guide: [CONTRIBUTING.md](https://github.com/php-ai/php-ml/blob/master/CONTRIBUTING.md)
- Issue Tracker: [github.com/php-ai/php-ml/issues](https://github.com/php-ai/php-ml/issues) - Issue Tracker: [github.com/php-ai/php-ml/issues](https://github.com/php-ai/php-ml/issues)
- Source Code: [github.com/php-ai/php-ml](https://github.com/php-ai/php-ml) - Source Code: [github.com/php-ai/php-ml](https://github.com/php-ai/php-ml)

17
phpbench.json Normal file
View File

@ -0,0 +1,17 @@
{
"bootstrap": "tests/Performance/bootstrap.php",
"path": "tests/Performance",
"reports": {
"time": {
"extends": "aggregate",
"title": "The Consumation of Time",
"cols": [ "subject", "mode", "mean", "rstdev", "diff"]
},
"memory": {
"extends": "aggregate",
"title": "The Memory Usage",
"cols": [ "subject", "mem_real", "mem_final", "mem_peak", "diff"],
"diff_col": "mem_peak"
}
}
}

0
tests/Performance/Data/.gitkeep Normal file
View File

40
tests/Performance/Regression/LeastSquaresBench.php Normal file
View File

@ -0,0 +1,40 @@
<?php
declare(strict_types=1);
namespace Phpml\Tests\Performance\Regression;
use PhpBench\Benchmark\Metadata\Annotations\BeforeMethods;
use PhpBench\Benchmark\Metadata\Annotations\Iterations;
use PhpBench\Benchmark\Metadata\Annotations\OutputTimeUnit;
use PhpBench\Benchmark\Metadata\Annotations\Revs;
use Phpml\Dataset\CsvDataset;
use Phpml\Dataset\Dataset;
use Phpml\Regression\LeastSquares;
/**
* @BeforeMethods({"init"})
* @OutputTimeUnit("seconds")
*/
final class LeastSquaresBench
{
/**
* @var Dataset
*/
private $dataset;
public function init(): void
{
$this->dataset = new CsvDataset(__DIR__.'/../Data/bike-sharing-hour.csv', 14);
}
/**
* @Revs(1)
* @Iterations(5)
*/
public function benchLeastSquaresTrain(): void
{
$leastSqueares = new LeastSquares();
$leastSqueares->train($this->dataset->getSamples(), $this->dataset->getTargets());
}
}

20
tests/Performance/bootstrap.php Normal file
View File

@ -0,0 +1,20 @@
<?php
declare(strict_types=1);
require __DIR__.'/../../vendor/autoload.php';
$dataDir = __DIR__.'/Data';
$datasets = [
'https://github.com/php-ai/php-ml-datasets/raw/0.1.0/datasets/bike-sharing-hour.csv',
];
foreach ($datasets as $dataset) {
$path = $dataDir.'/'.basename($dataset);
if (!file_exists($path)) {
if (!copy($dataset, $path)) {
die(sprintf('Failed to download %s', $dataset));
}
}
}