\left[ {\sum\limits_{\phi \ne J \subseteq I} {p^{\left| J \right|} \left( {1 - p} \right)^{\left| I \right| - \left| J \right|} \left( {1 - q} \right)^{1 - \delta _{\left| I \right|,\left| J \right|} } g_{\left| I \right| - \left| J \right|} \left( {n_{I\backslash J} + \delta _{\left| I \right|,\left| J \right| + 1} } \right)\prod\limits_{j \in J} {g_1 \left( {n_j } \right)} } } \right]