span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> _______________________________________________________________</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Note: p-values valid under asymptotic normality of estimators </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> ---</span>
<span class="r-in"><span></span></span>
<spa