assert_geboes_score     Check if a value is a valid Geboes score
factor_geboes_score     Convert a Geboes score into a factor
geboes_continuous       Convert maximum Geboes scores to a continuous
                        measurement
geboes_grades           Geboes grading source data and descriptions for
                        assessing inflammation in ulcerative colitis
geboes_score_binary     Convert a Geboes score from the original value
                        to a normal/abnormal value
max_geboes_score        Determine the maximum value of the Geboes score
