All functions

create_pseudo_obs()

Create pseudo observations

est_fun()

PIM U-estimating function

jac_est_fun()

Jacobian of PIM U-estimating function

new_design_matrix()

New design matrix

pim_fit()

Fit a probabilistic index model

preceq()

Preceq

sandwich_meat()

Meat of U sandwich estimator

summary_pim()

Get summary statistics for fitted PIM.