grid_pbox: Iterate Over a Grid of All Possible Quantiles and Calculate Probabilities
Description
This function queries the probabilistic space of a pbox object to calculate probabilities
associated with specific marginal or conditional distributions on a quantile grid. It supports conditional
probability calculations as well.
This method processes the pbox object to compute probabilities based on the specified marginal
and conditional parameters. It handles both simple probability calculations and complex queries involving
joint and conditional distributions, with an option for bootstrap confidence interval estimation.