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layout: raw

title: 'IRkernel · IRkernel 0.7'

docindex: IRkernel

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<h1>An R kernel for Jupyter.</h1>

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<h2>Usage</h2>

<pre><span class="symbol">jupyter_option_defaults</span></pre>

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<h2>Format</h2>

<p>An object of class <code>list</code> of length 6.</p>

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<div class="Description">

<h2>Description</h2>

<p>Jupyter speaks a JSON+ZMQ protocol to a &#39;kernel&#39; which is responsible for executing code.

This package is a kernel for the R language.</p>

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<div class="Options">

<h2>Options</h2>

<p></p>

<p>The following can be set/read via <code>options(opt.name = ...)</code> / <code>getOption(&#39;opt.name&#39;)</code></p>

<p><dl>

<dt><code>jupyter.log_level</code></dt><dd>1L (errors), 2L (warnings), or 3L (debug). 1L is the default.</dd></p>

<p><dt><code>jupyter.pager_classes</code></dt><dd>Classes to use the pager for instead of displaying them inline. Default: help pages</dd></p>

<p><dt><code>jupyter.in_kernel</code></dt><dd><code>TRUE</code> if this code is executed in a running kernel. Set to pretend being/not being in a kernel</dd></p>

<p><dt><code>jupyter.rich_display</code></dt><dd>Use more than just text display</dd></p>

<p><dt><code>jupyter.display_mimetypes</code></dt><dd>

The formats emitted when any return value is to be displayed

(default: all mimetypes listed <a href = 'http://ipython.org/ipython-doc/stable/api/generated/IPython.core.formatters.html#IPython.core.formatters.format_display_data'>here</a>)

</dd></p>

<p><dt><code>jupyter.plot_mimetypes</code></dt><dd>

The plot formats emitted to the frontend when a plot is displayed.

(default: image/png, application/pdf, and image/svg+xml)

</dd></p>

<p></dl></p>

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<h2>See also</h2>

<p><a href="installspec.html">installspec</a></p>

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