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authorJohannes Ranke <johannes.ranke@jrwb.de>2025-11-28 09:47:18 +0100
committerJohannes Ranke <johannes.ranke@jrwb.de>2025-11-28 09:49:35 +0100
commit1519d761ebb8c10350402b294907102d960b15a2 (patch)
treebb124b0e6b19575ed04acb743fed294f91929cce /docs/reference/D24_2014.html
parentfe411af3dbed474d9e5b3cc1d509f66bd76f7319 (diff)
Add two-component error model to 2,4-D exampleHEADmain
Also, explain the names of the metabolites.
Diffstat (limited to 'docs/reference/D24_2014.html')
-rw-r--r--docs/reference/D24_2014.html36
1 files changed, 32 insertions, 4 deletions
diff --git a/docs/reference/D24_2014.html b/docs/reference/D24_2014.html
index fed830e6..a0b17969 100644
--- a/docs/reference/D24_2014.html
+++ b/docs/reference/D24_2014.html
@@ -97,7 +97,9 @@ https://open.efsa.europa.eu/study-inventory/EFSA-Q-2013-00811</p>
</div>
<div class="section level2">
<h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
- <p>Data for the first dataset are from p. 685. Data for the other four
+ <p>The acronyms used for the 2,4-D transformation products are DCP for
+2,4-dichlorophenol and DCA for 2,4-dichloroanisole.</p>
+<p>Data for the first dataset are from p. 685. Data for the other four
datasets were used in the preprocessed versions given in the kinetics
section (p. 761ff.), with the exception of residues smaller than 1 for DCP
in the soil from Site I2, where the values given on p. 694 were used.</p>
@@ -195,13 +197,13 @@ specific pieces of information in the comments.</p>
<span class="r-out co"><span class="r-pr">#&gt;</span> d_DCA/dt = + f_DCP_to_DCA * k_DCP * DCP - k_DCA * DCA</span>
<span class="r-in"><span><span class="va">D24_2014_data</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">lapply</a></span><span class="op">(</span><span class="va">D24_2014</span><span class="op">$</span><span class="va">ds</span>, <span class="kw">function</span><span class="op">(</span><span class="va">x</span><span class="op">)</span> <span class="va">x</span><span class="op">$</span><span class="va">data</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/names.html" class="external-link">names</a></span><span class="op">(</span><span class="va">D24_2014_data</span><span class="op">)</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/lapply.html" class="external-link">sapply</a></span><span class="op">(</span><span class="va">D24_2014</span><span class="op">$</span><span class="va">ds</span>, <span class="kw">function</span><span class="op">(</span><span class="va">x</span><span class="op">)</span> <span class="va">x</span><span class="op">$</span><span class="va">title</span><span class="op">)</span></span></span>
-<span class="r-in"><span><span class="va">f_D24_2014</span> <span class="op">&lt;-</span> <span class="fu"><a href="mmkin.html">mmkin</a></span><span class="op">(</span></span></span>
+<span class="r-in"><span><span class="va">f_D24_2014_const</span> <span class="op">&lt;-</span> <span class="fu"><a href="mmkin.html">mmkin</a></span><span class="op">(</span></span></span>
<span class="r-in"><span> models <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></span></span>
<span class="r-in"><span> <span class="st">"SFO-SFO-SFO"</span> <span class="op">=</span> <span class="va">m_D24</span>, </span></span>
<span class="r-in"><span> <span class="st">"DFOP-SFO-SFO"</span> <span class="op">=</span> <span class="va">m_D24_2</span><span class="op">)</span>,</span></span>
<span class="r-in"><span> data <span class="op">=</span> <span class="va">D24_2014_data</span>,</span></span>
<span class="r-in"><span> quiet <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
-<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="va">f_D24_2014</span><span class="op">)</span></span></span>
+<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="va">f_D24_2014_const</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> &lt;mmkin&gt; object</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Status of individual fits:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
@@ -212,8 +214,34 @@ specific pieces of information in the comments.</p>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Z: Observations with value of zero were removed from the data</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> OK: No warnings</span>
-<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">f_D24_2014</span><span class="op">[</span>, <span class="fl">3</span><span class="op">]</span><span class="op">)</span></span></span>
+<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">f_D24_2014_const</span><span class="op">[</span>, <span class="fl">3</span><span class="op">]</span><span class="op">)</span></span></span>
<span class="r-plt img"><img src="D24_2014-1.png" alt="" width="700" height="433"></span>
+<span class="r-in"><span><span class="va">f_D24_2014_tc</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/stats/update.html" class="external-link">update</a></span><span class="op">(</span><span class="va">f_D24_2014_const</span>, error_model <span class="op">=</span> <span class="st">"tc"</span><span class="op">)</span></span></span>
+<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="va">f_D24_2014_tc</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> &lt;mmkin&gt; object</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> Status of individual fits:</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> dataset</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> model Mississippi Fayette RefSol 03-G Site E1 Site I2</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> SFO-SFO-SFO OK Z Z Z Z </span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> DFOP-SFO-SFO OK Z Z Z Z </span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> Z: Observations with value of zero were removed from the data</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> OK: No warnings</span>
+<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">f_D24_2014_tc</span><span class="op">[</span>, <span class="fl">3</span><span class="op">]</span><span class="op">)</span></span></span>
+<span class="r-plt img"><img src="D24_2014-2.png" alt="" width="700" height="433"></span>
+<span class="r-in"><span><span class="co"># For dataset 3, the best fit is obtained using constant </span></span></span>
+<span class="r-in"><span><span class="co"># variance and the DFOP-SFO-SFO model</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></span>
+<span class="r-in"><span> <span class="va">f_D24_2014_const</span><span class="op">[[</span><span class="st">"SFO-SFO-SFO"</span>, <span class="fl">3</span><span class="op">]</span><span class="op">]</span>, </span></span>
+<span class="r-in"><span> <span class="va">f_D24_2014_const</span><span class="op">[[</span><span class="st">"DFOP-SFO-SFO"</span>, <span class="fl">3</span><span class="op">]</span><span class="op">]</span>, </span></span>
+<span class="r-in"><span> <span class="va">f_D24_2014_tc</span><span class="op">[[</span><span class="st">"SFO-SFO-SFO"</span>, <span class="fl">3</span><span class="op">]</span><span class="op">]</span>,</span></span>
+<span class="r-in"><span> <span class="va">f_D24_2014_tc</span><span class="op">[[</span><span class="st">"DFOP-SFO-SFO"</span>, <span class="fl">3</span><span class="op">]</span><span class="op">]</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> df AIC</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> f_D24_2014_const[["SFO-SFO-SFO", 3]] 7 220.4991</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> f_D24_2014_const[["DFOP-SFO-SFO", 3]] 9 179.8933</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> f_D24_2014_tc[["SFO-SFO-SFO", 3]] 8 200.7663</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> f_D24_2014_tc[["DFOP-SFO-SFO", 3]] 10 181.8933</span>
<span class="r-in"><span><span class="co"># }</span></span></span>
</code></pre></div>
</div>

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