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-<meta property="og:description" content="The 12 datasets were generated using four different models and three different
- variance components. The four models are either the SFO or the DFOP model with either
- two sequential or two parallel metabolites.
-Variance component 'a' is based on a normal distribution with standard deviation of 3,
- Variance component 'b' is also based on a normal distribution, but with a standard deviation of 7.
- Variance component 'c' is based on the error model from Rocke and Lorenzato (1995), with the
- minimum standard deviation (for small y values) of 0.5, and a proportionality constant of 0.07
- for the increase of the standard deviation with y. Note that this is a simplified version
- of the error model proposed by Rocke and Lorenzato (1995), as in their model the error of the
- measured values approximates lognormal distribution for high values, whereas we are using
- normally distributed error components all along.
-Initial concentrations for metabolites and all values where adding the variance component resulted
- in a value below the assumed limit of detection of 0.1 were set to NA.
-As an example, the first dataset has the title SFO_lin_a and is based on the SFO model
- with two sequential metabolites (linear pathway), with added variance component 'a'.
-Compare also the code in the example section to see the degradation models." />
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- <h1>Synthetic datasets for one parent compound with two metabolites</h1>
-
- <div class="hidden name"><code>synthetic_data_for_UBA.Rd</code></div>
- </div>
-
- <div class="ref-description">
-
- <p>The 12 datasets were generated using four different models and three different
- variance components. The four models are either the SFO or the DFOP model with either
- two sequential or two parallel metabolites.</p>
-<p>Variance component 'a' is based on a normal distribution with standard deviation of 3,
- Variance component 'b' is also based on a normal distribution, but with a standard deviation of 7.
- Variance component 'c' is based on the error model from Rocke and Lorenzato (1995), with the
- minimum standard deviation (for small y values) of 0.5, and a proportionality constant of 0.07
- for the increase of the standard deviation with y. Note that this is a simplified version
- of the error model proposed by Rocke and Lorenzato (1995), as in their model the error of the
- measured values approximates lognormal distribution for high values, whereas we are using
- normally distributed error components all along.</p>
-<p>Initial concentrations for metabolites and all values where adding the variance component resulted
- in a value below the assumed limit of detection of 0.1 were set to <code>NA</code>.</p>
-<p>As an example, the first dataset has the title <code>SFO_lin_a</code> and is based on the SFO model
- with two sequential metabolites (linear pathway), with added variance component 'a'.</p>
-<p>Compare also the code in the example section to see the degradation models.</p>
-
- </div>
-
- <pre class="usage"><span class='no'>synthetic_data_for_UBA_2014</span></pre>
-
- <h2 class="hasAnchor" id="format"><a class="anchor" href="#format"></a>Format</h2>
-
- <p>A list containing twelve datasets as an R6 class defined by <code><a href='mkinds.html'>mkinds</a></code>,
- each containing, among others, the following components</p><dl class='dl-horizontal'>
- <dt><code>title</code></dt><dd><p>The name of the dataset, e.g. <code>SFO_lin_a</code></p></dd>
- <dt><code>data</code></dt><dd><p>A data frame with the data in the form expected by <code><a href='mkinfit.html'>mkinfit</a></code></p></dd>
-
-</dl>
-
-
- <h2 class="hasAnchor" id="source"><a class="anchor" href="#source"></a>Source</h2>
-
- <p>Ranke (2014) Prüfung und Validierung von Modellierungssoftware als Alternative
- zu ModelMaker 4.0, Umweltbundesamt Projektnummer 27452</p>
-<p>Rocke, David M. und Lorenzato, Stefan (1995) A two-component model for
- measurement error in analytical chemistry. Technometrics 37(2), 176-184.</p>
-
-
- <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
- <pre class="examples"></pre>
- </div>
- <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
- <h2>Contents</h2>
- <ul class="nav nav-pills nav-stacked">
-
- <li><a href="#format">Format</a></li>
-
- <li><a href="#source">Source</a></li>
-
- <li><a href="#examples">Examples</a></li>
- </ul>
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