ernal-link">gf_point</a></span><span class="op">(</span><span class="va">temp</span> <span class="op">~</span> <span class="va">time</span>, data <span class="op">=</span> <span class="va">CoolingWater</span>, alpha <span class="op">=</span> <span class="fl">0.5</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="op">}</span></span></span>
<span class="r-plt img"><img src="CoolingWater-1.png" alt="" width="700" height="433"></span>
<span class="r-in"><span></span></span>
</co