><span class="va">EbroPPtsMonthly</span><span class="op">)</span></span>
<span></span>
<span><span class="co">#######</span></span>
<span><span class="co">## Ex1) Graphical correlation among the ts of monthly precipitation of the first </span></span>
<span><span class="co">##      3 stations in 'EbroPPtsMonthly' (its first column stores the dates).</span></span>
<span><span class="fu"><a href="hydropairs.html">hydropairs</a></span><span class="op">(</span><span class="va">EbroPPtsMonthly</span><span class="