# Equation (3.23) GP for ML book

This is the computation of the variance when we do Laplace Approximation for inference in binary classification. I do not understand why the variance is decomposed into these two terms.

• This is the definition of variance. Jan 22 '19 at 3:18
• Yes, you are using the definition of variance but something else. Jan 22 '19 at 8:57
• Mar 25 '19 at 14:44
• Exactly, that is what I was looking for. Thank you. Mar 25 '19 at 14:45