DECLARE_UDF(stats, compute_grpid)

DECLARE_UDF(stats, split_transition)
DECLARE_UDF(stats, split_merge)
DECLARE_UDF(stats, split_final)

DECLARE_UDF(stats, compute_coxph_result)

DECLARE_UDF(stats, coxph_improved_step_transition)
DECLARE_UDF(stats, coxph_improved_step_final)
DECLARE_UDF(stats, coxph_improved_strata_step_final)

DECLARE_UDF(stats, array_avg_transition)
DECLARE_UDF(stats, array_avg_merge)
DECLARE_UDF(stats, array_avg_final)

DECLARE_UDF(stats, array_element_min)
DECLARE_UDF(stats, array_element_max)