span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"ACTCM25"</span>, <span class="st">"ACTCM75"</span>, <span class="st">"ACTCM50"</span>, </span>
<span>                    <span class="st">"ACTMT25"</span>, <span class="st">"ACTMT75"</span>, <span class="st">"ACTMT50"</span>, </span>
<span>                    <span class="st">"ACTEN25"</span>, <span class="st">"ACTEN75"</span>, <span class="st">"ACTEN5