diff options
Diffstat (limited to 'docs/reference/AIC.mmkin.html')
| -rw-r--r-- | docs/reference/AIC.mmkin.html | 85 |
1 files changed, 48 insertions, 37 deletions
diff --git a/docs/reference/AIC.mmkin.html b/docs/reference/AIC.mmkin.html index c46824e6..48e3b7e2 100644 --- a/docs/reference/AIC.mmkin.html +++ b/docs/reference/AIC.mmkin.html @@ -18,7 +18,7 @@ same dataset."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/li </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 class="version label label-default" data-toggle="tooltip" data-placement="bottom" title="Released version">1.2.0</span> </span> </div> @@ -45,19 +45,25 @@ same dataset."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/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> + <a href="../articles/web_only/multistart.html">Short demo of the multistart method</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/web_only/FOCUS_Z.html">Example evaluation of FOCUS Example Dataset Z</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> + <a href="../articles/web_only/benchmarks.html">Benchmark timings for mkin</a> + </li> + <li> + <a href="../articles/web_only/saem_benchmarks.html">Benchmark timings for saem.mmkin</a> </li> </ul></li> <li> @@ -89,11 +95,11 @@ same dataset.</p> </div> <div id="ref-usage"> - <div class="sourceCode"><pre class="sourceCode r"><code><span class="co"># S3 method for mmkin</span> -<span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">object</span>, <span class="va">...</span>, k <span class="op">=</span> <span class="fl">2</span><span class="op">)</span> - -<span class="co"># S3 method for mmkin</span> -<span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">object</span>, <span class="va">...</span><span class="op">)</span></code></pre></div> + <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="co"># S3 method for mmkin</span></span> +<span><span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">object</span>, <span class="va">...</span>, k <span class="op">=</span> <span class="fl">2</span><span class="op">)</span></span> +<span></span> +<span><span class="co"># S3 method for mmkin</span></span> +<span><span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">object</span>, <span class="va">...</span><span class="op">)</span></span></code></pre></div> </div> <div id="arguments"> @@ -101,14 +107,21 @@ same dataset.</p> <dl><dt>object</dt> <dd><p>An object of class <code><a href="mmkin.html">mmkin</a></code>, containing only one column.</p></dd> + + <dt>...</dt> <dd><p>For compatibility with the generic method</p></dd> + + <dt>k</dt> <dd><p>As in the generic method</p></dd> + </dl></div> <div id="value"> <h2>Value</h2> - <p>As in the generic method (a numeric value for single fits, or a + + +<p>As in the generic method (a numeric value for single fits, or a dataframe if there are several fits in the column).</p> </div> <div id="author"> @@ -118,52 +131,50 @@ dataframe if there are several fits in the column).</p> <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"># skip, as it takes > 10 s on winbuilder</span></span> -<span class="r-in"> <span class="va">f</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="st">"DFOP"</span><span class="op">)</span>,</span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="st">"FOCUS A"</span> <span class="op">=</span> <span class="va">FOCUS_2006_A</span>,</span> -<span class="r-in"> <span class="st">"FOCUS C"</span> <span class="op">=</span> <span class="va">FOCUS_2006_C</span><span class="op">)</span>, 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-wrn co"><span class="r-pr">#></span> <span class="warning">Warning: </span>Optimisation did not converge:</span> -<span class="r-wrn co"><span class="r-pr">#></span> false convergence (8)</span> -<span class="r-in"> <span class="co"># We get a warning because the FOMC model does not converge for the</span></span> -<span class="r-in"> <span class="co"># FOCUS A dataset, as it is well described by SFO</span></span> -<span class="r-in"></span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span><span class="st">"SFO"</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span> <span class="co"># We get a single number for a single fit</span></span> + <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span></span></span> +<span class="r-in"><span> <span class="co"># skip, as it takes > 10 s on winbuilder</span></span></span> +<span class="r-in"><span> <span class="va">f</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="st">"DFOP"</span><span class="op">)</span>,</span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="st">"FOCUS A"</span> <span class="op">=</span> <span class="va">FOCUS_2006_A</span>,</span></span> +<span class="r-in"><span> <span class="st">"FOCUS C"</span> <span class="op">=</span> <span class="va">FOCUS_2006_C</span><span class="op">)</span>, 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> +<span class="r-in"><span> <span class="co"># We get a warning because the FOMC model does not converge for the</span></span></span> +<span class="r-in"><span> <span class="co"># FOCUS A dataset, as it is well described by SFO</span></span></span> +<span class="r-in"><span></span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span><span class="st">"SFO"</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span> <span class="co"># We get a single number for a single fit</span></span></span> <span class="r-out co"><span class="r-pr">#></span> [1] 55.28197</span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[[</span><span class="st">"SFO"</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">]</span><span class="op">)</span> <span class="co"># or when extracting an mkinfit object</span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[[</span><span class="st">"SFO"</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">]</span><span class="op">)</span> <span class="co"># or when extracting an mkinfit object</span></span></span> <span class="r-out co"><span class="r-pr">#></span> [1] 55.28197</span> -<span class="r-in"></span> -<span class="r-in"> <span class="co"># For FOCUS A, the models fit almost equally well, so the higher the number</span></span> -<span class="r-in"> <span class="co"># of parameters, the higher (worse) the AIC</span></span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span></span> +<span class="r-in"><span></span></span> +<span class="r-in"><span> <span class="co"># For FOCUS A, the models fit almost equally well, so the higher the number</span></span></span> +<span class="r-in"><span> <span class="co"># of parameters, the higher (worse) the AIC</span></span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span></span></span> <span class="r-out co"><span class="r-pr">#></span> df AIC</span> <span class="r-out co"><span class="r-pr">#></span> SFO 3 55.28197</span> -<span class="r-out co"><span class="r-pr">#></span> FOMC 4 57.28198</span> +<span class="r-out co"><span class="r-pr">#></span> FOMC 4 57.28222</span> <span class="r-out co"><span class="r-pr">#></span> DFOP 5 59.28197</span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span>, k <span class="op">=</span> <span class="fl">0</span><span class="op">)</span> <span class="co"># If we do not penalize additional parameters, we get nearly the same</span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span>, k <span class="op">=</span> <span class="fl">0</span><span class="op">)</span> <span class="co"># If we do not penalize additional parameters, we get nearly the same</span></span></span> <span class="r-out co"><span class="r-pr">#></span> df AIC</span> <span class="r-out co"><span class="r-pr">#></span> SFO 3 49.28197</span> -<span class="r-out co"><span class="r-pr">#></span> FOMC 4 49.28198</span> +<span class="r-out co"><span class="r-pr">#></span> FOMC 4 49.28222</span> <span class="r-out co"><span class="r-pr">#></span> DFOP 5 49.28197</span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span> <span class="co"># Comparing the BIC gives a very similar picture</span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS A"</span><span class="op">]</span><span class="op">)</span> <span class="co"># Comparing the BIC gives a very similar picture</span></span></span> <span class="r-out co"><span class="r-pr">#></span> df BIC</span> <span class="r-out co"><span class="r-pr">#></span> SFO 3 55.52030</span> -<span class="r-out co"><span class="r-pr">#></span> FOMC 4 57.59975</span> +<span class="r-out co"><span class="r-pr">#></span> FOMC 4 57.59999</span> <span class="r-out co"><span class="r-pr">#></span> DFOP 5 59.67918</span> -<span class="r-in"></span> -<span class="r-in"> <span class="co"># For FOCUS C, the more complex models fit better</span></span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS C"</span><span class="op">]</span><span class="op">)</span></span> +<span class="r-in"><span></span></span> +<span class="r-in"><span> <span class="co"># For FOCUS C, the more complex models fit better</span></span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">AIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS C"</span><span class="op">]</span><span class="op">)</span></span></span> <span class="r-out co"><span class="r-pr">#></span> df AIC</span> <span class="r-out co"><span class="r-pr">#></span> SFO 3 59.29336</span> <span class="r-out co"><span class="r-pr">#></span> FOMC 4 44.68652</span> <span class="r-out co"><span class="r-pr">#></span> DFOP 5 29.02372</span> -<span class="r-in"> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS C"</span><span class="op">]</span><span class="op">)</span></span> +<span class="r-in"><span> <span class="fu"><a href="https://rdrr.io/r/stats/AIC.html" class="external-link">BIC</a></span><span class="op">(</span><span class="va">f</span><span class="op">[</span>, <span class="st">"FOCUS C"</span><span class="op">]</span><span class="op">)</span></span></span> <span class="r-out co"><span class="r-pr">#></span> df BIC</span> <span class="r-out co"><span class="r-pr">#></span> SFO 3 59.88504</span> <span class="r-out co"><span class="r-pr">#></span> FOMC 4 45.47542</span> <span class="r-out co"><span class="r-pr">#></span> DFOP 5 30.00984</span> -<span class="r-in"> </span> -<span class="r-in"></span> +<span class="r-in"><span> </span></span> +<span class="r-in"><span></span></span> </code></pre></div> </div> </div> @@ -178,7 +189,7 @@ dataframe if there are several fits in the column).</p> 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