satisfy the threshold in the 5 000 10 000 mile bracket three failures component 1 that satisfy the threshold in the 5 000 15 000 mile bracket five failures components 2 and 4 that satisfy the threshold in the 15 000 20 000 mile bracket seven failures components 1 and 4 that satisfy the threshold in the 20 000 25 000 mile bracket and sixteen failures components 1 2 and 4 in the 25 000 30 000 mile bracket the matrix 30 may further be beneficial to identify clusters of failures at certain mileage points for instance with regard to component 1 listed in the example matrix there are three failures between 10 000 15 000 miles and live failures between 20 000 25 000 miles although there are zero failures in the intermediate mileage bracket i e 15 000 20 000 miles after the thresholds have been applied the overall percentages may be recalculated to determine the percentage of failures within each mileage bracket that meet the threshold the results may be presented to the user in a user friendly summary 40 fig4 shows an exemplary predictive diagnostic summary 40 which displays each component and the likelihood of failure associated with each component the likelihood of failure is.