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<html><head><title>R: Johnson &amp; Johnson, $ _ ### ^ ~</title>
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<table width="100%" summary="page for ver20"><tr><td>ver20</td><td align="right">R Documentation</td></tr></table>
<h2>Johnson &amp; Johnson, $ _ ### ^ ~</h2>
<h3>Description</h3>
<p>This is the description
</p>
<h3>Arguments</h3>
<table summary="R argblock">
<tr valign="top"><td><code>foo</code></td>
<td>
<p>item 1</p>
</td></tr>
<tr valign="top"><td><code>bar</code></td>
<td>
<p>space, the item 2</p>
</td></tr>
<tr valign="top"><td><code>bah</code></td>
<td>
<p>newline, then item 3</p>
</td></tr>
</table>
<h3>Details</h3>
<p><font face="Courier New,Courier" color="#666666"><b>R</b></font> <font face="Courier New,Courier" color="#666666"><b>R</b></font> \R <i>&alpha;&beta;&Gamma;</i>
</p>
<p>In code, all that needs to be escaped is percent, backslash and unpaired
braces: <code>% \ {</code>. Unescaped: <code>$ # _ ^ ~ &lt; &gt; |</code>, and as a
pair, <code>{...}</code>. If we escape: <code> \_ \# \$ \&amp; { } \ </code>
And some backslashes: <code>\ \ \\ \\</code> should
give one, one, two, two backslashes.
</p>
<p>How about \ (that is backslash space) in text?
</p>
<p>Elsewhere, { } % \ need to be escaped, but not $ # _ ^ ~ &lt; &gt; | .
Let's try that again in <code>\samp</code>: <span class="samp"> { } % \ $ # _ ^ ~ &lt; &gt; |</span>.
And if we do escape: \$ \# \_ , and with three backslashes, \\#.
</p>
<p align="center"><i>a &lt; b &gt; c | d, x^y</i></p>
<p align="center"><i>\$k &gt; \#k, x_y, x\_y</i></p>
<p>group-weighting from $[N_iP_i(1-P_i)]$
</p>
<PRE>
% a
\
\% c
{
\{
</PRE>
<h3>URLs and emails</h3>
<p>URLs need to be verbatim: <a href="testit ~^_$#<>|">testit ~^_$#&lt;&gt;|</a>.
</p>
<p>Markus Kuhn, &ldquo;ASCII and Unicode quotation marks&rdquo;.
<a href="http://www.cl.cam.ac.uk/~mgk25/ucs/quotes.html">http://www.cl.cam.ac.uk/~mgk25/ucs/quotes.html</a>
</p>
<p>No escape is needed in <a href="mailto:Micah_Altman@harvard.edu">Micah_Altman@harvard.edu</a>
</p>
<h3>Examples</h3>
<pre>
"\\r\\n"
</pre>
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