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<meta property="og:description" content="Filter isolates on results in specific antimicrobial classes. This makes it easy to filter on isolates that were tested for e.g. any aminoglycoside, or to filter on carbapenem-resistant isolates without the need to specify the drugs." />
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<h1>Filter isolates on result in antimicrobial class</h1>
<small class="dont-index">Source: <a href='https://github.com/msberends/AMR/blob/master/R/filter_ab_class.R'><code>R/filter_ab_class.R</code></a></small>
<div class="hidden name"><code>filter_ab_class.Rd</code></div>
</div>
<div class="ref-description">
<p>Filter isolates on results in specific antimicrobial classes. This makes it easy to filter on isolates that were tested for e.g. any aminoglycoside, or to filter on carbapenem-resistant isolates without the need to specify the drugs.</p>
</div>
<pre class="usage"><span class='fu'>filter_ab_class</span><span class='op'>(</span><span class='va'>x</span>, <span class='va'>ab_class</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_carbapenems</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_1st_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_2nd_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_3rd_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_4th_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_5th_cephalosporins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_fluoroquinolones</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_glycopeptides</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_macrolides</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_penicillins</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span>
<span class='fu'>filter_tetracyclines</span><span class='op'>(</span><span class='va'>x</span>, result <span class='op'>=</span> <span class='cn'>NULL</span>, scope <span class='op'>=</span> <span class='st'>"any"</span>, <span class='va'>...</span><span class='op'>)</span></pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>x</th>
<td><p>a data set</p></td>
</tr>
<tr>
<th>ab_class</th>
<td><p>an antimicrobial class, like <code>"carbapenems"</code>. The columns <code>group</code>, <code>atc_group1</code> and <code>atc_group2</code> of the <a href='antibiotics.html'>antibiotics</a> data set will be searched (case-insensitive) for this value.</p></td>
</tr>
<tr>
<th>result</th>
<td><p>an antibiotic result: S, I or R (or a combination of more of them)</p></td>
</tr>
<tr>
<th>scope</th>
<td><p>the scope to check which variables to check, can be <code>"any"</code> (default) or <code>"all"</code></p></td>
</tr>
<tr>
<th>...</th>
<td><p>previously used when this package still depended on the <code>dplyr</code> package, now ignored</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>
<p>All columns of <code>x</code> will be searched for known antibiotic names, abbreviations, brand names and codes (ATC, EARS-Net, WHO, etc.). This means that a filter function like e.g. <code>filter_aminoglycosides()</code> will include column names like 'gen', 'genta', 'J01GB03', 'tobra', 'Tobracin', etc.</p>
<h2 class="hasAnchor" id="stable-lifecycle"><a class="anchor" href="#stable-lifecycle"></a>Stable lifecycle</h2>
<p><img src='figures/lifecycle_stable.svg' style=margin-bottom:5px /> <br />
The <a href='lifecycle.html'>lifecycle</a> of this function is <strong>stable</strong>. In a stable function, major changes are unlikely. This means that the unlying code will generally evolve by adding new arguments; removing arguments or changing the meaning of existing arguments will be avoided.</p>
<p>If the unlying code needs breaking changes, they will occur gradually. For example, a argument will be deprecated and first continue to work, but will emit an message informing you of the change. Next, typically after at least one newly released version on CRAN, the message will be transformed to an error.</p>
<h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
<div class='dont-index'><p><code><a href='antibiotic_class_selectors.html'>antibiotic_class_selectors()</a></code> for the <code><a href='https://dplyr.tidyverse.org/reference/select.html'>select()</a></code> equivalent.</p></div>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='va'>example_isolates</span><span class='op'>)</span>
<span class='co'># \donttest{</span>
<span class='kw'>if</span> <span class='op'>(</span><span class='kw'><a href='https://rdrr.io/r/base/library.html'>require</a></span><span class='op'>(</span><span class='st'><a href='https://dplyr.tidyverse.org'>"dplyr"</a></span><span class='op'>)</span><span class='op'>)</span> <span class='op'>{</span>
<span class='co'># filter on isolates that have any result for any aminoglycoside</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='op'>)</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'>filter_ab_class</span><span class='op'>(</span><span class='st'>"aminoglycoside"</span><span class='op'>)</span>
<span class='co'># this is essentially the same as (but without determination of column names):</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span>
<span class='fu'><a href='https://dplyr.tidyverse.org/reference/filter_all.html'>filter_at</a></span><span class='op'>(</span>.vars <span class='op'>=</span> <span class='fu'><a href='https://dplyr.tidyverse.org/reference/vars.html'>vars</a></span><span class='op'>(</span><span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"GEN"</span>, <span class='st'>"TOB"</span>, <span class='st'>"AMK"</span>, <span class='st'>"KAN"</span><span class='op'>)</span><span class='op'>)</span>,
.vars_predicate <span class='op'>=</span> <span class='fu'><a href='https://dplyr.tidyverse.org/reference/all_vars.html'>any_vars</a></span><span class='op'>(</span><span class='va'>.</span> <span class='op'>%in%</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='op'>(</span><span class='st'>"S"</span>, <span class='st'>"I"</span>, <span class='st'>"R"</span><span class='op'>)</span><span class='op'>)</span><span class='op'>)</span>
<span class='co'># filter on isolates that show resistance to ANY aminoglycoside</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='st'>"R"</span>, <span class='st'>"any"</span><span class='op'>)</span>
<span class='co'># filter on isolates that show resistance to ALL aminoglycosides</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='st'>"R"</span>, <span class='st'>"all"</span><span class='op'>)</span>
<span class='co'># filter on isolates that show resistance to</span>
<span class='co'># any aminoglycoside and any fluoroquinolone</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span>
<span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='st'>"R"</span><span class='op'>)</span> <span class='op'>%&gt;%</span>
<span class='fu'>filter_fluoroquinolones</span><span class='op'>(</span><span class='st'>"R"</span><span class='op'>)</span>
<span class='co'># filter on isolates that show resistance to</span>
<span class='co'># all aminoglycosides and all fluoroquinolones</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span>
<span class='fu'>filter_aminoglycosides</span><span class='op'>(</span><span class='st'>"R"</span>, <span class='st'>"all"</span><span class='op'>)</span> <span class='op'>%&gt;%</span>
<span class='fu'>filter_fluoroquinolones</span><span class='op'>(</span><span class='st'>"R"</span>, <span class='st'>"all"</span><span class='op'>)</span>
<span class='co'># with dplyr 1.0.0 and higher (that adds 'across()'), this is all equal:</span>
<span class='co'># (though the row names on the first are more correct)</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'>filter_carbapenems</span><span class='op'>(</span><span class='st'>"R"</span>, <span class='st'>"all"</span><span class='op'>)</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'><a href='https://dplyr.tidyverse.org/reference/filter.html'>filter</a></span><span class='op'>(</span><span class='fu'><a href='https://dplyr.tidyverse.org/reference/across.html'>across</a></span><span class='op'>(</span><span class='fu'><a href='antibiotic_class_selectors.html'>carbapenems</a></span><span class='op'>(</span><span class='op'>)</span>, <span class='op'>~</span><span class='va'>.</span> <span class='op'>==</span> <span class='st'>"R"</span><span class='op'>)</span><span class='op'>)</span>
<span class='va'>example_isolates</span> <span class='op'>%&gt;%</span> <span class='fu'><a href='https://dplyr.tidyverse.org/reference/filter.html'>filter</a></span><span class='op'>(</span><span class='fu'><a href='https://dplyr.tidyverse.org/reference/across.html'>across</a></span><span class='op'>(</span><span class='fu'><a href='antibiotic_class_selectors.html'>carbapenems</a></span><span class='op'>(</span><span class='op'>)</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='st'>"R"</span><span class='op'>)</span><span class='op'>)</span>
<span class='op'>}</span>
<span class='co'># }</span>
</pre>
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