The likelihood term

The likelihood term in Equation (6.1) is rather easy to evaluate

$$\begin{split}C_p(X) &= - \operatorname{E}\left[ \log p(\bolds... ...p(2\widetilde{v}_k(i) - 2 \overline{v}_k(i)) \bigg) \end{split}$$ (6.8)

where we have used the result of Equation (6.5) for the expectation.