Extended Data Fig. 2: Distribution of normalised errors from both anhydrate and hydrate validation sets.
From: Predicting crystal form stability under real-world conditions

\((\Delta {\rm{F}}-\Delta \hat{{\rm{F}}})/{\sigma }_{\Delta {\rm{F}}}\) is expected to have a mean of 0 and a standard deviation of 1 if \(\Delta {\rm{F}}-\Delta \hat{{\rm{F}}}\) is normally distributed.