<!DOCTYPE html> <!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Subsetting method for mmkin objects — [.mmkin • mkin</title><!-- jquery --><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script><!-- Bootstrap --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha256-bZLfwXAP04zRMK2BjiO8iu9pf4FbLqX6zitd+tIvLhE=" crossorigin="anonymous"><script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha256-nuL8/2cJ5NDSSwnKD8VqreErSWHtnEP9E7AySL+1ev4=" crossorigin="anonymous"></script><!-- bootstrap-toc --><link rel="stylesheet" href="../bootstrap-toc.css"><script src="../bootstrap-toc.js"></script><!-- Font Awesome icons --><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/all.min.css" integrity="sha256-mmgLkCYLUQbXn0B1SRqzHar6dCnv9oZFPEC1g1cwlkk=" crossorigin="anonymous"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.1/css/v4-shims.min.css" integrity="sha256-wZjR52fzng1pJHwx4aV2AO3yyTOXrcDW7jBpJtTwVxw=" crossorigin="anonymous"><!-- clipboard.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js" integrity="sha256-inc5kl9MA1hkeYUt+EC3BhlIgyp/2jDIyBLS6k3UxPI=" crossorigin="anonymous"></script><!-- headroom.js --><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/headroom.min.js" integrity="sha256-AsUX4SJE1+yuDu5+mAVzJbuYNPHj/WroHuZ8Ir/CkE0=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/headroom/0.11.0/jQuery.headroom.min.js" integrity="sha256-ZX/yNShbjqsohH1k95liqY9Gd8uOiE1S4vZc+9KQ1K4=" crossorigin="anonymous"></script><!-- pkgdown --><link href="../pkgdown.css" rel="stylesheet"><script src="../pkgdown.js"></script><meta property="og:title" content="Subsetting method for mmkin objects — [.mmkin"><meta property="og:description" content="Subsetting method for mmkin objects"><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/config/TeX-AMS-MML_HTMLorMML.js" integrity="sha256-84DKXVJXs0/F8OTMzX4UR909+jtl4G7SPypPavF+GfA=" crossorigin="anonymous"></script><!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script> <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> <![endif]--></head><body data-spy="scroll" data-target="#toc"> <div class="container template-reference-topic"> <header><div class="navbar navbar-default navbar-fixed-top" role="navigation"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <span class="navbar-brand"> <a class="navbar-link" href="../index.html">mkin</a> <span class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">1.1.0</span> </span> </div> <div id="navbar" class="navbar-collapse collapse"> <ul class="nav navbar-nav"><li> <a href="../reference/index.html">Functions and data</a> </li> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false"> Articles <span class="caret"></span> </a> <ul class="dropdown-menu" role="menu"><li> <a href="../articles/mkin.html">Introduction to mkin</a> </li> <li> <a href="../articles/FOCUS_D.html">Example evaluation of FOCUS Example Dataset D</a> </li> <li> <a href="../articles/FOCUS_L.html">Example evaluation of FOCUS Laboratory Data L1 to L3</a> </li> <li> <a href="../articles/web_only/dimethenamid_2018.html">Example evaluations of dimethenamid data from 2018 with nonlinear mixed-effects models</a> </li> <li> <a href="../articles/web_only/FOCUS_Z.html">Example evaluation of FOCUS Example Dataset Z</a> </li> <li> <a href="../articles/web_only/compiled_models.html">Performance benefit by using compiled model definitions in mkin</a> </li> <li> <a href="../articles/twa.html">Calculation of time weighted average concentrations with mkin</a> </li> <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="https://github.com/jranke/mkin/" class="external-link"> <span class="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>Subsetting method for mmkin objects</h1> <small class="dont-index">Source: <a href="https://github.com/jranke/mkin/blob/HEAD/R/mmkin.R" class="external-link"><code>R/mmkin.R</code></a></small> <div class="hidden name"><code>Extract.mmkin.Rd</code></div> </div> <div class="ref-description"> <p>Subsetting method for mmkin objects</p> </div> <div id="ref-usage"> <div class="sourceCode"><pre><code># S3 method for mmkin [(x, i, j, ..., drop = FALSE)</code></pre></div> </div> <div id="arguments"> <h2>Arguments</h2> <dl><dt>x</dt> <dd><p>An <code><a href="mmkin.html">mmkin</a> object</code></p></dd> <dt>i</dt> <dd><p>Row index selecting the fits for specific models</p></dd> <dt>j</dt> <dd><p>Column index selecting the fits to specific datasets</p></dd> <dt>...</dt> <dd><p>Not used, only there to satisfy the generic method definition</p></dd> <dt>drop</dt> <dd><p>If FALSE, the method always returns an mmkin object, otherwise either a list of mkinfit objects or a single mkinfit object.</p></dd> </dl></div> <div id="value"> <h2>Value</h2> <p>An object of class <code><a href="mmkin.html">mmkin</a></code>.</p> </div> <div id="author"> <h2>Author</h2> <p>Johannes Ranke</p> </div> <div id="ref-examples"> <h2>Examples</h2> <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"></span> <span class="r-in"> <span class="co"># Only use one core, to pass R CMD check --as-cran</span></span> <span class="r-in"> <span class="va">fits</span> <span class="op"><-</span> <span class="fu"><a href="mmkin.html">mmkin</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"SFO"</span>, <span class="st">"FOMC"</span><span class="op">)</span>, <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span>B <span class="op">=</span> <span class="va">FOCUS_2006_B</span>, C <span class="op">=</span> <span class="va">FOCUS_2006_C</span><span class="op">)</span>,</span> <span class="r-in"> cores <span class="op">=</span> <span class="fl">1</span>, quiet <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span> <span class="r-in"> <span class="va">fits</span><span class="op">[</span><span class="st">"FOMC"</span>, <span class="op">]</span></span> <span class="r-out co"><span class="r-pr">#></span> <mmkin> object</span> <span class="r-out co"><span class="r-pr">#></span> Status of individual fits:</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> dataset</span> <span class="r-out co"><span class="r-pr">#></span> model B C </span> <span class="r-out co"><span class="r-pr">#></span> FOMC OK OK</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> OK: No warnings</span> <span class="r-in"> <span class="va">fits</span><span class="op">[</span>, <span class="st">"B"</span><span class="op">]</span></span> <span class="r-out co"><span class="r-pr">#></span> <mmkin> object</span> <span class="r-out co"><span class="r-pr">#></span> Status of individual fits:</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> dataset</span> <span class="r-out co"><span class="r-pr">#></span> model B </span> <span class="r-out co"><span class="r-pr">#></span> SFO OK</span> <span class="r-out co"><span class="r-pr">#></span> FOMC OK</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> OK: No warnings</span> <span class="r-in"> <span class="va">fits</span><span class="op">[</span><span class="st">"SFO"</span>, <span class="st">"B"</span><span class="op">]</span></span> <span class="r-out co"><span class="r-pr">#></span> <mmkin> object</span> <span class="r-out co"><span class="r-pr">#></span> Status of individual fits:</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> dataset</span> <span class="r-out co"><span class="r-pr">#></span> model B </span> <span class="r-out co"><span class="r-pr">#></span> SFO OK</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> OK: No warnings</span> <span class="r-in"></span> <span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span></span> <span class="r-in"> <span class="co"># This extracts an mkinfit object with lots of components</span></span> <span class="r-in"> <span class="va">fits</span><span class="op">[[</span><span class="st">"FOMC"</span>, <span class="st">"B"</span><span class="op">]</span><span class="op">]</span></span> <span class="r-in"> <span class="op">)</span></span> <span class="r-out co"><span class="r-pr">#></span> $par</span> <span class="r-out co"><span class="r-pr">#></span> parent_0 log_alpha log_beta sigma </span> <span class="r-out co"><span class="r-pr">#></span> 99.666193 2.549849 5.050586 1.890202 </span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> $objective</span> <span class="r-out co"><span class="r-pr">#></span> [1] 28.58291</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> $convergence</span> <span class="r-out co"><span class="r-pr">#></span> [1] 0</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> $iterations</span> <span class="r-out co"><span class="r-pr">#></span> [1] 21</span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> $evaluations</span> <span class="r-out co"><span class="r-pr">#></span> function gradient </span> <span class="r-out co"><span class="r-pr">#></span> 25 72 </span> <span class="r-out co"><span class="r-pr">#></span> </span> <span class="r-out co"><span class="r-pr">#></span> $message</span> <span class="r-out co"><span class="r-pr">#></span> [1] "both X-convergence and relative convergence (5)"</span> <span class="r-out co"><span class="r-pr">#></span> </span> </code></pre></div> </div> </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></p><p>Developed by Johannes Ranke.</p> </div> <div class="pkgdown"> <p></p><p>Site built with <a href="https://pkgdown.r-lib.org/" class="external-link">pkgdown</a> 2.0.3.</p> </div> </footer></div> </body></html>