Exoplanet occurrence rate
= Exoplanet occurrence rate
{title2=$f_{\mathcal B}=\langle N_{\mathcal B}\rangle$}
The mean number of <planets> per surveyed <star> in a specified parameter bin. It need not equal the fraction of <stars> hosting at least one such <planet>. Inferring it from transits requires accounting for <geometric transit probability>, <transit survey completeness> and false positives.