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webit/downsampling
==================

Downsampling algorithms

2.0.0(4y ago)848.3k↓25.3%MITPHPPHP >=7.1

Since May 9Pushed 4y ago1 watchersCompare

[ Source](https://github.com/dbojdo/downsampling)[ Packagist](https://packagist.org/packages/webit/downsampling)[ RSS](/packages/webit-downsampling/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependencies (1)Versions (5)Used By (0)

Web-IT Downsampling Library
===========================

[](#web-it-downsampling-library)

A simple interface for Downsampling algorithms

Installation
------------

[](#installation)

### via Composer

[](#via-composer)

Add the **webit/downsampling** into **composer.json**

```
{
    "require": {
        "php":              ">=7.1",
        "webit/downsampling": "^2.0.0"
    }
}
```

Usage
-----

[](#usage)

```
use Webit\DownSampling\DownSampler\LargestTriangleThreeBucketsDownSampler;

$data = array();
for ($i=0; $i < 500; $i++) {
    $data[] = [$i, mt_rand(0, 200)];
}

$sampler = new LargestTriangleThreeBucketsDownSampler();
$sampled = $sampler->sampleDown($data, 100);
echo count($sampled); // displays 100
```

Algorithms provided
-------------------

[](#algorithms-provided)

- Largest-Triangle-Three-Buckets or LTTB (PHP port of flot-downsample, see: )

###  Health Score

34

—

LowBetter than 77% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity34

Limited adoption so far

Community4

Small or concentrated contributor base

Maturity61

Established project with proven stability

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~1226 days

Total

3

Last Release

1576d ago

Major Versions

1.x-dev → 2.0.02022-01-24

PHP version history (2 changes)1.0.0PHP &gt;=5.3.3

2.0.0PHP &gt;=7.1

### Community

Maintainers

![](https://www.gravatar.com/avatar/a6cc50814a7b150c2a02d719d33c6e11040a6d0d010b2f986a24794edce7f52f?d=identicon)[dbojdo](/maintainers/dbojdo)

---

Tags

signalsampledownsamplingsampling

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/webit-downsampling/health.svg)

```
[![Health](https://phpackages.com/badges/webit-downsampling/health.svg)](https://phpackages.com/packages/webit-downsampling)
```

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