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reference/as.mic.html
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@@ -7,7 +7,7 @@
<a class="navbar-brand me-2" href="../index.html">AMR (for R)</a>
<small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">3.0.1.9009</small>
<small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">3.0.1.9008</small>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -101,12 +101,12 @@
</dl></div>
<div class="section level2">
<h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
<p>Ordered <a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a> with additional class <code>mic</code>, that in mathematical operations acts as a <a href="https://rdrr.io/r/base/numeric.html" class="external-link">numeric</a> vector. Bear in mind that the outcome of any mathematical operation on MICs will return a <a href="https://rdrr.io/r/base/numeric.html" class="external-link">numeric</a> value.</p>
<p>Ordered <a href="https://rdatatable.gitlab.io/data.table/reference/fctr.html" class="external-link">factor</a> with additional class <code>mic</code>, that in mathematical operations acts as a <a href="https://rdrr.io/r/base/numeric.html" class="external-link">numeric</a> vector. Bear in mind that the outcome of any mathematical operation on MICs will return a <a href="https://rdrr.io/r/base/numeric.html" class="external-link">numeric</a> value.</p>
</div>
<div class="section level2">
<h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
<p>To interpret MIC values as SIR values, use <code><a href="as.sir.html">as.sir()</a></code> on MIC values. It supports guidelines from EUCAST (2011-2025) and CLSI (2011-2025).</p>
<p>This class for MIC values is a quite a special data type: formally it is an ordered <a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a> with valid MIC values as <a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a> levels (to make sure only valid MIC values are retained), but for any mathematical operation it acts as decimal numbers:</p>
<p>This class for MIC values is a quite a special data type: formally it is an ordered <a href="https://rdatatable.gitlab.io/data.table/reference/fctr.html" class="external-link">factor</a> with valid MIC values as <a href="https://rdatatable.gitlab.io/data.table/reference/fctr.html" class="external-link">factor</a> levels (to make sure only valid MIC values are retained), but for any mathematical operation it acts as decimal numbers:</p>
<p></p><div class="sourceCode"><pre><code><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a>x <span class="ot">&lt;-</span> <span class="fu">random_mic</span>(<span class="dv">10</span>)</span>
<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a>x</span>
<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="co">#&gt; Class 'mic'</span></span>
@@ -135,7 +135,7 @@
<span id="cb1-12"><a href="#cb1-12" tabindex="-1"></a><span class="co">#&gt; 9 32 A</span></span>
<span id="cb1-13"><a href="#cb1-13" tabindex="-1"></a><span class="co">#&gt; 10 16 A</span></span></code></pre><p></p></div>
<p>All so-called <a href="https://rdrr.io/r/base/groupGeneric.html" class="external-link">group generic functions</a> are implemented for the MIC class (such as <code>!</code>, <code>!=</code>, <code>&lt;</code>, <code>&gt;=</code>, <code><a href="https://rdrr.io/r/base/Log.html" class="external-link">exp()</a></code>, <code><a href="https://rdrr.io/r/base/Log.html" class="external-link">log2()</a></code>). Some mathematical functions are also implemented (such as <code><a href="https://rdrr.io/r/stats/quantile.html" class="external-link">quantile()</a></code>, <code><a href="https://rdrr.io/r/stats/median.html" class="external-link">median()</a></code>, <code><a href="https://rdrr.io/r/stats/fivenum.html" class="external-link">fivenum()</a></code>). Since <code><a href="https://rdrr.io/r/stats/sd.html" class="external-link">sd()</a></code> and <code><a href="https://rdrr.io/r/stats/cor.html" class="external-link">var()</a></code> are non-generic functions, these could not be extended. Use <code><a href="https://rdrr.io/r/stats/mad.html" class="external-link">mad()</a></code> as an alternative, or use e.g. <code>sd(as.numeric(x))</code> where <code>x</code> is your vector of MIC values.</p>
<p>Using <code><a href="https://rdrr.io/r/base/double.html" class="external-link">as.double()</a></code> or <code><a href="https://rdrr.io/r/base/numeric.html" class="external-link">as.numeric()</a></code> on MIC values will remove the operators and return a numeric vector. Do <strong>not</strong> use <code><a href="https://rdrr.io/r/base/integer.html" class="external-link">as.integer()</a></code> on MIC values as by the <span style="R">R</span> convention on <a href="https://rdrr.io/r/base/factor.html" class="external-link">factor</a>s, it will return the index of the factor levels (which is often useless for regular users).</p>
<p>Using <code><a href="https://rdrr.io/r/base/double.html" class="external-link">as.double()</a></code> or <code><a href="https://rdrr.io/r/base/numeric.html" class="external-link">as.numeric()</a></code> on MIC values will remove the operators and return a numeric vector. Do <strong>not</strong> use <code><a href="https://rdrr.io/r/base/integer.html" class="external-link">as.integer()</a></code> on MIC values as by the <span style="R">R</span> convention on <a href="https://rdatatable.gitlab.io/data.table/reference/fctr.html" class="external-link">factor</a>s, it will return the index of the factor levels (which is often useless for regular users).</p>
<p>The function <code>is.mic()</code> detects if the input contains class <code>mic</code>. If the input is a <a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a> or <a href="https://rdrr.io/r/base/list.html" class="external-link">list</a>, it iterates over all columns/items and returns a <a href="https://rdrr.io/r/base/logical.html" class="external-link">logical</a> vector.</p>
<p>Use <code><a href="https://rdatatable.gitlab.io/data.table/reference/fdroplevels.html" class="external-link">droplevels()</a></code> to drop unused levels. At default, it will return a plain factor. Use <code>droplevels(..., as.mic = TRUE)</code> to maintain the <code>mic</code> class.</p>
<p>With <code>rescale_mic()</code>, existing MIC ranges can be limited to a defined range of MIC values. This can be useful to better compare MIC distributions.</p>