Cram Policy: Estimator for Policy Value (Psi)
Source:R/cram_policy_value_estimator.R
      cram_policy_value_estimator.RdThis function returns the cram estimator for the policy value (psi).
Arguments
- X
 A matrix or data frame of covariates for each sample.
- Y
 A vector of outcomes for the n individuals.
- D
 A vector of binary treatments for the n individuals.
- pi
 A matrix of n rows and (nb_batch + 1) columns, where n is the sample size and nb_batch is the number of batches, containing the policy assignment for each individual for each policy. The first column represents the baseline policy.
- batch_indices
 A list where each element is a vector of indices corresponding to the individuals in each batch.
- propensity
 Propensity score function