n>file <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/system.file.html" class="external-link">system.file</a></span><span class="op">(</span><span class="st">"extdata"</span>,</span></span>
<span class="r-in"><span>                                         <span class="st">"AMF_US-CRT_BASE_HH_2-5.csv"</span>,</span></span>
<span class="r-in"><span>                                          package <span class="op">=</span> <span class="st">"amerifluxr"</span><span class="op">)</spa