| becomes_ta | Calculate inclusion probabilities |
| expected_coverage | Expected coverage |
| inclusion_prob | Calculate inclusion probabilities |
| min_tau | Bootstrap replicate weights for sequential Poisson sampling |
| order_sampling | Stratified sequential Poisson sampling |
| prop_allocation | Construct a proportional allocation |
| ps | Stratified sequential Poisson sampling |
| sps | Stratified sequential Poisson sampling |
| sps_repweights | Bootstrap replicate weights for sequential Poisson sampling |