75e-07 ***
<a id="__codelineno-10-19" name="__codelineno-10-19" href="#__codelineno-10-19"></a>cost              -0.0333389  0.0070955  -4.6986 2.620e-06 ***
<a id="__codelineno-10-20" name="__codelineno-10-20" href="#__codelineno-10-20"></a>freq               0.0925297  0.0050976  18.1517 &lt; 2.2e-16 ***
<a id="__codelineno-10-21" name="__codelineno-10-21" href="#__codelineno-10-21"></a>ovt               -0.0430036  0.0032247 -13.3356 &lt; 2.2e-16 ***
<a id="__codelineno-10-22" name="__codelineno-10-22" h