-in"><span><span class="va">form</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/paste.html" class="external-link">paste</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/names.html" class="external-link">names</a></span><span class="op">(</span><span class="va">fdata.Reg.tr</span><span class="op">)</span><span class="op">[</span><span class="fl">2</span><span class="op">:</span><span class="fu"><a href="https://rdrr.io/r/base/nrow.html