Helper function to turn prediction_list into CV estimate of SCRNP

.get_cv_estim(prediction_list, sens, gn, quantile_type = 8, ...)

Arguments

prediction_list	Properly formatted list of predictions.
sens	The sensitivity constraint.
gn	The marginal probability that `Y = 1`.
quantile_type	The type of quantile estimate to use.
...	Other options (not currently used)