"13">                                 <span class="dt">fixcov =</span> <span class="kw">data.frame</span>(<span class="dt">Solar.R =</span> <span class="kw">mean</span>(ozonedat<span class="op">$</span>Solar.R), <span class="dt">Wind =</span> <span class="kw">mean</span>(ozonedat<span class="op">$</span>Wind)), <span class="dt">boot =</span> <span class="ot">FALSE</span>)</a>
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<a class=