>
<span class="r-plt img"><img src="Appendec-1.png" alt="" width="700" height="433"></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/stats/anova.html" class="external-link">anova</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/stats/lm.html" class="external-link">lm</a></span><span class="op">(</span><span class="va">cost</span> <span class="op">~</span> <span class="va">region</span>, data <span class="op">=</span> <span class="va">Appendec</span><