Called from dcce() after the unit-level OLS and MG aggregation are
done. Classifies terms, computes unit-level LR and adjustment, aggregates
to MG, and returns the augmented fit object.
.csardl_postprocess(fit)The fit object augmented with lr_coef, lr_vcov,
lr_se, adjustment, adjustment_se, and related fields.
A dcce_fit object from the main dcce() pipeline.