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<title>mkin_wide_to_long. mkin 0.9.44.9000</title>
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Johannes Ranke
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<h1>
Convert a dataframe with observations over time into long format
</h1>
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<div class="span8">
<h2>Usage</h2>
<pre><span class="functioncall"><a href='mkin_wide_to_long.html'>mkin_wide_to_long</a></span><span class="keyword">(</span><span class="symbol">wide_data</span><span class="keyword">,</span> <span class="argument">time</span> <span class="argument">=</span> <span class="string">"t"</span><span class="keyword">)</span></pre>
<h2>Arguments</h2>
<dl>
<dt>wide_data</dt>
<dd>
The dataframe must contain one variable with the time values specified by the
<code>time</code> argument and usually more than one column of observed values.
</dd>
<dt>time</dt>
<dd>
The name of the time variable.
</dd>
</dl>
<div class="Description">
<h2>Description</h2>
<p>This function simply takes a dataframe with one independent variable and several
dependent variable and converts it into the long form as required by <code><a href='http://www.rdocumentation.org/packages/FME/topics/modCost'>modCost</a></code>.</p>
</div>
<div class="Value">
<h2>Value</h2>
<p><dl>
Dataframe in long format as needed for <code><a href='http://www.rdocumentation.org/packages/FME/topics/modCost'>modCost</a></code>.
</dl></p>
</div>
<h2 id="examples">Examples</h2>
<pre class="examples"><div class='input'><span class="symbol">wide</span> <span class="assignement"><-</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/data.frame'>data.frame</a></span><span class="keyword">(</span><span class="argument">t</span> <span class="argument">=</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/c'>c</a></span><span class="keyword">(</span><span class="number">1</span><span class="keyword">,</span><span class="number">2</span><span class="keyword">,</span><span class="number">3</span><span class="keyword">)</span><span class="keyword">,</span> <span class="argument">x</span> <span class="argument">=</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/c'>c</a></span><span class="keyword">(</span><span class="number">1</span><span class="keyword">,</span><span class="number">4</span><span class="keyword">,</span><span class="number">7</span><span class="keyword">)</span><span class="keyword">,</span> <span class="argument">y</span> <span class="argument">=</span> <span class="functioncall"><a href='http://www.rdocumentation.org/packages/base/topics/c'>c</a></span><span class="keyword">(</span><span class="number">3</span><span class="keyword">,</span><span class="number">4</span><span class="keyword">,</span><span class="number">5</span><span class="keyword">)</span><span class="keyword">)</span>
<span class="functioncall"><a href='mkin_wide_to_long.html'>mkin_wide_to_long</a></span><span class="keyword">(</span><span class="symbol">wide</span><span class="keyword">)</span></div>
<div class='output'> name time value
1 x 1 1
2 x 2 4
3 x 3 7
4 y 1 3
5 y 2 4
6 y 3 5
</div></pre>
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<h2>Author</h2>
Johannes Ranke
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