elineno-10-1"></a>Call:
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>mlogit(formula = choice ~ cost + freq + ovt | income | ivt, data = MC, 
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>    reflevel = &quot;air&quot;, method = &quot;nr&quot;)
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a>
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a>Frequencies of alternatives:choice