Changes in version 0.1.0 (2026-07-28)                  

First release.

  - possum_physiology() and possum_operative() score the twelve
    physiological and six operative variables; possum() and p_possum()
    turn those scores into predicted morbidity and mortality.
  - possum_risk() scores a whole cohort from a data frame in one call. A
    row with a missing or out-of-range value is returned as NA and
    reported in a warning, rather than aborting the whole cohort.
  - Raw clinical inputs are bounded above as well as below, so a
    unit-entry slip (haemoglobin in g/L, urea in mg/dL) is rejected
    instead of being scored in an inflated band.
  - Variants: cr_possum() (colorectal), v_possum() (vascular) and
    raaa_possum() (ruptured aortic aneurysm), with their own scorers
    where the cut-points differ.