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<!DOCTYPE html>
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<title>OpenCPU User Manual</title>
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<ul class="summary">
<li><a href="./">OpenCPU User Manual</a></li>
<li class="divider"></li>
<li class="chapter" data-level="1" data-path="index.html"><a href="index.html"><i class="fa fa-check"></i><b>1</b> Welcome</a><ul>
<li class="chapter" data-level="1.1" data-path="index.html"><a href="index.html#why-opencpu"><i class="fa fa-check"></i><b>1.1</b> Why OpenCPU</a></li>
<li class="chapter" data-level="1.2" data-path="index.html"><a href="index.html#how-it-works"><i class="fa fa-check"></i><b>1.2</b> How it works</a></li>
<li class="chapter" data-level="1.3" data-path="index.html"><a href="index.html#pieces"><i class="fa fa-check"></i><b>1.3</b> Pieces</a></li>
<li class="chapter" data-level="1.4" data-path="index.html"><a href="index.html#information-and-support"><i class="fa fa-check"></i><b>1.4</b> Information and support</a></li>
</ul></li>
<li class="chapter" data-level="2" data-path="get-started.html"><a href="get-started.html"><i class="fa fa-check"></i><b>2</b> Get started</a><ul>
<li class="chapter" data-level="2.1" data-path="get-started.html"><a href="get-started.html#hello-world"><i class="fa fa-check"></i><b>2.1</b> Hello world</a></li>
<li class="chapter" data-level="2.2" data-path="get-started.html"><a href="get-started.html#what-are-apps"><i class="fa fa-check"></i><b>2.2</b> What are apps</a></li>
<li class="chapter" data-level="2.3" data-path="get-started.html"><a href="get-started.html#deployment"><i class="fa fa-check"></i><b>2.3</b> Deployment</a></li>
</ul></li>
<li class="chapter" data-level="3" data-path="the-api.html"><a href="the-api.html"><i class="fa fa-check"></i><b>3</b> The API</a><ul>
<li class="chapter" data-level="3.1" data-path="the-api.html"><a href="the-api.html#functions"><i class="fa fa-check"></i><b>3.1</b> Functions</a></li>
<li class="chapter" data-level="3.2" data-path="the-api.html"><a href="the-api.html#data-formats"><i class="fa fa-check"></i><b>3.2</b> Data Formats</a><ul>
<li class="chapter" data-level="3.2.1" data-path="the-api.html"><a href="the-api.html#json"><i class="fa fa-check"></i><b>3.2.1</b> json</a></li>
<li class="chapter" data-level="3.2.2" data-path="the-api.html"><a href="the-api.html#protocol-buffers"><i class="fa fa-check"></i><b>3.2.2</b> Protocol Buffers</a></li>
<li class="chapter" data-level="3.2.3" data-path="the-api.html"><a href="the-api.html#other-types"><i class="fa fa-check"></i><b>3.2.3</b> Other types</a></li>
</ul></li>
</ul></li>
<li class="chapter" data-level="4" data-path="apps.html"><a href="apps.html"><i class="fa fa-check"></i><b>4</b> Apps</a><ul>
<li class="chapter" data-level="4.1" data-path="apps.html"><a href="apps.html#functions-1"><i class="fa fa-check"></i><b>4.1</b> Functions</a></li>
<li class="chapter" data-level="4.2" data-path="apps.html"><a href="apps.html#files"><i class="fa fa-check"></i><b>4.2</b> Files</a></li>
<li class="chapter" data-level="4.3" data-path="apps.html"><a href="apps.html#javascript"><i class="fa fa-check"></i><b>4.3</b> JavaScript</a></li>
</ul></li>
<li class="chapter" data-level="5" data-path="developing-apps.html"><a href="developing-apps.html"><i class="fa fa-check"></i><b>5</b> Developing Apps</a></li>
<li class="chapter" data-level="6" data-path="opencpu-server.html"><a href="opencpu-server.html"><i class="fa fa-check"></i><b>6</b> OpenCPU Server</a><ul>
<li class="chapter" data-level="6.1" data-path="opencpu-server.html"><a href="opencpu-server.html#installation"><i class="fa fa-check"></i><b>6.1</b> Installation</a><ul>
<li class="chapter" data-level="6.1.1" data-path="opencpu-server.html"><a href="opencpu-server.html#ubuntu-16.04"><i class="fa fa-check"></i><b>6.1.1</b> Ubuntu 16.04</a></li>
<li class="chapter" data-level="6.1.2" data-path="opencpu-server.html"><a href="opencpu-server.html#debian"><i class="fa fa-check"></i><b>6.1.2</b> Debian</a></li>
<li class="chapter" data-level="6.1.3" data-path="opencpu-server.html"><a href="opencpu-server.html#fedora-centos"><i class="fa fa-check"></i><b>6.1.3</b> Fedora / CentOS</a></li>
<li class="chapter" data-level="6.1.4" data-path="opencpu-server.html"><a href="opencpu-server.html#docker"><i class="fa fa-check"></i><b>6.1.4</b> Docker</a></li>
</ul></li>
<li class="chapter" data-level="6.2" data-path="opencpu-server.html"><a href="opencpu-server.html#configuring"><i class="fa fa-check"></i><b>6.2</b> Configuring</a><ul>
<li class="chapter" data-level="6.2.1" data-path="opencpu-server.html"><a href="opencpu-server.html#installing-packages"><i class="fa fa-check"></i><b>6.2.1</b> Installing packages</a></li>
<li class="chapter" data-level="6.2.2" data-path="opencpu-server.html"><a href="opencpu-server.html#installing-apps"><i class="fa fa-check"></i><b>6.2.2</b> Installing apps</a></li>
<li class="chapter" data-level="6.2.3" data-path="opencpu-server.html"><a href="opencpu-server.html#custom-settings"><i class="fa fa-check"></i><b>6.2.3</b> Custom settings</a></li>
<li class="chapter" data-level="6.2.4" data-path="opencpu-server.html"><a href="opencpu-server.html#performance-tuning"><i class="fa fa-check"></i><b>6.2.4</b> Performance Tuning</a></li>
</ul></li>
<li class="chapter" data-level="6.3" data-path="opencpu-server.html"><a href="opencpu-server.html#build-from-source"><i class="fa fa-check"></i><b>6.3</b> Build from Source</a></li>
</ul></li>
<li class="chapter" data-level="7" data-path="docker-1.html"><a href="docker-1.html"><i class="fa fa-check"></i><b>7</b> Docker</a></li>
<li class="divider"></li>
<li><a href="https://github.com/opencpu/opencpu.github.io" target="blank">(c) Jeroen Ooms, 2017</a></li>
</ul>
</nav>
</div>
<div class="book-body">
<div class="body-inner">
<div class="book-header" role="navigation">
<h1>
<i class="fa fa-circle-o-notch fa-spin"></i><a href="./">OpenCPU User Manual</a>
</h1>
</div>
<div class="page-wrapper" tabindex="-1" role="main">
<div class="page-inner">
<section class="normal" id="section-">
<div id="header">
<h1 class="title">OpenCPU User Manual</h1>
<h4 class="date"><em>Build 2017-07-09</em></h4>
</div>
<div id="welcome" class="section level1">
<h1><span class="header-section-number">Chapter 1</span> Welcome</h1>
<div class="figure">
<img src="construction.gif" alt="under construction" />
<p class="caption">under construction</p>
</div>
<div id="why-opencpu" class="section level2">
<h2><span class="header-section-number">1.1</span> Why OpenCPU</h2>
<p>Apps. Integration. Mature. Scalable and hackable. Fully open source.</p>
<div class="sourceCode"><pre class="sourceCode r"><code class="sourceCode r"><span class="kw">library</span>(opencpu)
<span class="kw">ocpu_start_app</span>(<span class="st">'rwebapps/stocks'</span>)</code></pre></div>
<div class="figure">
<img src="stockapp.png" alt="stockapp" />
<p class="caption">stockapp</p>
</div>
</div>
<div id="how-it-works" class="section level2">
<h2><span class="header-section-number">1.2</span> How it works</h2>
<ul>
<li>API for calling R functions and scripts, and managing resources (objects, files, graphics, …)</li>
<li>Central: leverages R packages. Packages are natural and powerful container format for R bundling and shipping R code, data, manuals and files.</li>
<li>Apps in OpencPU are simply R packages containing R functions.</li>
</ul>
<p>Very flexible and scalable R backend. Builds apps, call it from services or data pipelines.</p>
</div>
<div id="pieces" class="section level2">
<h2><span class="header-section-number">1.3</span> Pieces</h2>
<ul>
<li>R package: single-user server</li>
<li>Apache server: <code>opencpu-server</code></li>
<li>Public cloud server: <a href="https://cloud.opencpu.org" class="uri">https://cloud.opencpu.org</a></li>
<li>Docker Containers with <code>opencpu-server</code></li>
<li>JavaScript (browser) client: <code>opencpu.js</code></li>
<li>Apps based on <code>opencpu.js</code>: rwebapps</li>
<li>R client for testing</li>
</ul>
</div>
<div id="information-and-support" class="section level2">
<h2><span class="header-section-number">1.4</span> Information and support</h2>
<ul>
<li>API docs</li>
<li>Jeroen paper</li>
<li>Stack Overflow</li>
<li>Mailing list</li>
<li>Twitter</li>
</ul>
</div>
</div>
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