pan>
<span><span class="fu">transf.ztor</span><span class="op">(</span><span class="va">xi</span><span class="op">)</span></span>
<span><span class="fu">transf.logit</span><span class="op">(</span><span class="va">xi</span><span class="op">)</span></span>
<span><span class="fu">transf.ilogit</span><span class="op">(</span><span class="va">xi</span><span class="op">)</span></span>
<span><span class="fu">transf.probit</span><span class="op">(</span><span class="va">xi</span><span class="op">)</span></span>
<s