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<li> <a href="../articles/web_only/NAFTA_examples.html">Example evaluation of NAFTA SOP Attachment examples</a> </li> <li> <a href="../articles/web_only/benchmarks.html">Some benchmark timings</a> </li> </ul> </li> <li> <a href="../news/index.html">News</a> </li> </ul> <ul class="nav navbar-nav navbar-right"> <li> <a href="http://github.com/jranke/mkin/"> <span class="fab fa fab fa-github fa-lg"></span> </a> </li> </ul> </div><!--/.nav-collapse --> </div><!--/.container --> </div><!--/.navbar --> </header> <div class="row"> <div class="col-md-9 contents"> <div class="page-header"> <h1>Convert a dataframe with observations over time into long format</h1> <small class="dont-index">Source: <a href='http://github.com/jranke/mkin/blob/master/R/mkin_wide_to_long.R'><code>R/mkin_wide_to_long.R</code></a></small> <div class="hidden name"><code>mkin_wide_to_long.Rd</code></div> </div> <div class="ref-description"> <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='mkinfit.html'>mkinfit</a></code>.</p> </div> <pre class="usage"><span class='fu'>mkin_wide_to_long</span>(<span class='no'>wide_data</span>, <span class='kw'>time</span> <span class='kw'>=</span> <span class='st'>"t"</span>)</pre> <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2> <table class="ref-arguments"> <colgroup><col class="name" /><col class="desc" /></colgroup> <tr> <th>wide_data</th> <td><p>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.</p></td> </tr> <tr> <th>time</th> <td><p>The name of the time variable.</p></td> </tr> </table> <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2> <p>Dataframe in long format as needed for <code><a href='mkinfit.html'>mkinfit</a></code>.</p> <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2> <pre class="examples"><div class='input'> <span class='no'>wide</span> <span class='kw'><-</span> <span class='fu'><a href='https://rdrr.io/r/base/data.frame.html'>data.frame</a></span>(<span class='kw'>t</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>1</span>,<span class='fl'>2</span>,<span class='fl'>3</span>), <span class='kw'>x</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>1</span>,<span class='fl'>4</span>,<span class='fl'>7</span>), <span class='kw'>y</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>3</span>,<span class='fl'>4</span>,<span class='fl'>5</span>)) <span class='fu'>mkin_wide_to_long</span>(<span class='no'>wide</span>)</div><div class='output co'>#> 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><div class='input'> </div></pre> </div> <div class="col-md-3 hidden-xs hidden-sm" id="pkgdown-sidebar"> <nav id="toc" data-toggle="toc" class="sticky-top"> <h2 data-toc-skip>Contents</h2> </nav> </div> </div> <footer> <div class="copyright"> <p>Developed by Johannes Ranke.</p> </div> <div class="pkgdown"> <p>Site built with <a href="https://pkgdown.r-lib.org/">pkgdown</a> 1.5.1.</p> </div> </footer> </div> </body> </html>