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<h1>Determine Bug-Drug Combinations</h1>
<small class="dont-index">Source: <a href="https://github.com/msberends/AMR/blob/HEAD/R/bug_drug_combinations.R" class="external-link"><code>R/bug_drug_combinations.R</code></a></small>
<div class="hidden name"><code>bug_drug_combinations.Rd</code></div>
</div>
<div class="ref-description">
<p>Determine antimicrobial resistance (AMR) of all bug-drug combinations in your data set where at least 30 (default) isolates are available per species. Use <code><a href="https://rdrr.io/r/base/format.html" class="external-link">format()</a></code> on the result to prettify it to a publishable/printable format, see <em>Examples</em>.</p>
</div>
<div id="ref-usage">
<div class="sourceCode"><pre class="sourceCode r"><code><span class="fu">bug_drug_combinations</span><span class="op">(</span><span class="va">x</span>, col_mo <span class="op">=</span> <span class="cn">NULL</span>, FUN <span class="op">=</span> <span class="va">mo_shortname</span>, <span class="va">...</span><span class="op">)</span>
<span class="co"># S3 method for bug_drug_combinations</span>
<span class="fu"><a href="https://rdrr.io/r/base/format.html" class="external-link">format</a></span><span class="op">(</span>
<span class="va">x</span>,
translate_ab <span class="op">=</span> <span class="st">"name (ab, atc)"</span>,
language <span class="op">=</span> <span class="fu"><a href="translate.html">get_AMR_locale</a></span><span class="op">(</span><span class="op">)</span>,
minimum <span class="op">=</span> <span class="fl">30</span>,
combine_SI <span class="op">=</span> <span class="cn">TRUE</span>,
combine_IR <span class="op">=</span> <span class="cn">FALSE</span>,
add_ab_group <span class="op">=</span> <span class="cn">TRUE</span>,
remove_intrinsic_resistant <span class="op">=</span> <span class="cn">FALSE</span>,
decimal.mark <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/options.html" class="external-link">getOption</a></span><span class="op">(</span><span class="st">"OutDec"</span><span class="op">)</span>,
big.mark <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/ifelse.html" class="external-link">ifelse</a></span><span class="op">(</span><span class="va">decimal.mark</span> <span class="op">==</span> <span class="st">","</span>, <span class="st">"."</span>, <span class="st">","</span><span class="op">)</span>,
<span class="va">...</span>
<span class="op">)</span></code></pre></div>
</div>
<div id="source">
<h2>Source</h2>
<p><strong>M39 Analysis and Presentation of Cumulative Antimicrobial Susceptibility Test Data, 4th Edition</strong>, 2014, <em>Clinical and Laboratory Standards Institute (CLSI)</em>. <a href="https://clsi.org/standards/products/microbiology/documents/m39/" class="external-link">https://clsi.org/standards/products/microbiology/documents/m39/</a>.</p>
</div>
<div id="arguments">
<h2>Arguments</h2>
<dl><dt>x</dt>
<dd><p>data with antibiotic columns, such as <code>amox</code>, <code>AMX</code> and <code>AMC</code></p></dd>
<dt>col_mo</dt>
<dd><p>column name of the IDs of the microorganisms (see <code><a href="as.mo.html">as.mo()</a></code>), defaults to the first column of class <code><a href="as.mo.html">mo</a></code>. Values will be coerced using <code><a href="as.mo.html">as.mo()</a></code>.</p></dd>
<dt>FUN</dt>
<dd><p>the function to call on the <code>mo</code> column to transform the microorganism codes, defaults to <code><a href="mo_property.html">mo_shortname()</a></code></p></dd>
<dt>...</dt>
<dd><p>arguments passed on to <code>FUN</code></p></dd>
<dt>translate_ab</dt>
<dd><p>a <a href="https://rdrr.io/r/base/character.html" class="external-link">character</a> of length 1 containing column names of the <a href="antibiotics.html">antibiotics</a> data set</p></dd>
<dt>language</dt>
<dd><p>language of the returned text, defaults to system language (see <code><a href="translate.html">get_AMR_locale()</a></code>) and can also be set with <code>getOption("AMR_locale")</code>. Use <code>language = NULL</code> or <code>language = ""</code> to prevent translation.</p></dd>
<dt>minimum</dt>
<dd><p>the minimum allowed number of available (tested) isolates. Any isolate count lower than <code>minimum</code> will return <code>NA</code> with a warning. The default number of <code>30</code> isolates is advised by the Clinical and Laboratory Standards Institute (CLSI) as best practice, see <em>Source</em>.</p></dd>
<dt>combine_SI</dt>
<dd><p>a <a href="https://rdrr.io/r/base/logical.html" class="external-link">logical</a> to indicate whether all values of S and I must be merged into one, so the output only consists of S+I vs. R (susceptible vs. resistant). This used to be the argument <code>combine_IR</code>, but this now follows the redefinition by EUCAST about the interpretation of I (increased exposure) in 2019, see section 'Interpretation of S, I and R' below. Default is <code>TRUE</code>.</p></dd>
<dt>combine_IR</dt>
<dd><p>a <a href="https://rdrr.io/r/base/logical.html" class="external-link">logical</a> to indicate whether values R and I should be summed</p></dd>
<dt>add_ab_group</dt>
<dd><p>a <a href="https://rdrr.io/r/base/logical.html" class="external-link">logical</a> to indicate where the group of the antimicrobials must be included as a first column</p></dd>
<dt>remove_intrinsic_resistant</dt>
<dd><p><a href="https://rdrr.io/r/base/logical.html" class="external-link">logical</a> to indicate that rows and columns with 100% resistance for all tested antimicrobials must be removed from the table</p></dd>
<dt>decimal.mark</dt>
<dd><p>the character to be used to indicate the numeric
decimal point.</p></dd>
<dt>big.mark</dt>
<dd><p>character; if not empty used as mark between every
<code>big.interval</code> decimals <em>before</em> (hence <code>big</code>) the
decimal point.</p></dd>
</dl></div>
<div id="value">
<h2>Value</h2>
<p>The function <code>bug_drug_combinations()</code> returns a <a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a> with columns "mo", "ab", "S", "I", "R" and "total".</p>
</div>
<div id="details">
<h2>Details</h2>
<p>The function <code><a href="https://rdrr.io/r/base/format.html" class="external-link">format()</a></code> calculates the resistance per bug-drug combination. Use <code>combine_IR = FALSE</code> (default) to test R vs. S+I and <code>combine_IR = TRUE</code> to test R+I vs. S.</p>
</div>
<div id="stable-lifecycle">
<h2>Stable Lifecycle</h2>
<p><img src="figures/lifecycle_stable.svg" style='margin-bottom:"5"'><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, an argument will be deprecated and first continue to work, but will emit a 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>
</div>
<div id="read-more-on-our-website-">
<h2>Read more on Our Website!</h2>
<p>On our website <a href="https://msberends.github.io/AMR/">https://msberends.github.io/AMR/</a> you can find <a href="https://msberends.github.io/AMR/articles/AMR.html">a comprehensive tutorial</a> about how to conduct AMR data analysis, the <a href="https://msberends.github.io/AMR/reference/">complete documentation of all functions</a> and <a href="https://msberends.github.io/AMR/articles/WHONET.html">an example analysis using WHONET data</a>.</p>
</div>
<div id="ref-examples">
<h2>Examples</h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span class="co"># \donttest{</span>
<span class="va">x</span> <span class="op">&lt;-</span> <span class="fu">bug_drug_combinations</span><span class="op">(</span><span class="va">example_isolates</span><span class="op">)</span>
<span class="va">x</span>
<span class="fu"><a href="https://rdrr.io/r/base/format.html" class="external-link">format</a></span><span class="op">(</span><span class="va">x</span>, translate_ab <span class="op">=</span> <span class="st">"name (atc)"</span><span class="op">)</span>
<span class="co"># Use FUN to change to transformation of microorganism codes</span>
<span class="fu">bug_drug_combinations</span><span class="op">(</span><span class="va">example_isolates</span>,
FUN <span class="op">=</span> <span class="va">mo_gramstain</span><span class="op">)</span>
<span class="fu">bug_drug_combinations</span><span class="op">(</span><span class="va">example_isolates</span>,
FUN <span class="op">=</span> <span class="kw">function</span><span class="op">(</span><span class="va">x</span><span class="op">)</span> <span class="fu"><a href="https://rdrr.io/r/base/ifelse.html" class="external-link">ifelse</a></span><span class="op">(</span><span class="va">x</span> <span class="op">==</span> <span class="fu"><a href="as.mo.html">as.mo</a></span><span class="op">(</span><span class="st">"E. coli"</span><span class="op">)</span>,
<span class="st">"E. coli"</span>,
<span class="st">"Others"</span><span class="op">)</span><span class="op">)</span>
<span class="co"># }</span>
</code></pre></div>
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