DETERMINATION ALGORITHM GENERATION METHOD, DETERMINATION ALGORITHM, DETERMINATION SYSTEM, DETERMINATION METHOD, PROGRAM, AND RECORDING MEDIUM

摘要

In order to generate a determination algorithm for determining whether or not mountain-shaped blood pressure changes included in time-series blood pressure data are blood pressure surges, the present invention classifies a plurality of feature amounts which enable characterization of waveforms of the blood pressure surges, and defines a primary candidate feature amount category group including at least an amplitude-related feature amount category, an increase-related feature amount category, and a decrease-related feature amount category (S11). A plurality of sets of feature amounts and threshold values are created for each of the feature amount categories (S12). All sets of the feature amounts and the threshold values in the primary candidate feature amount category group are used as respective sets of classifiers, and it is determined whether or not the plurality of mountain-shaped blood pressure changes included in training data Dte are classified as blood pressure surges (S13). Regarding determination results as the respective sets of classifiers, assessment indexes are obtained (S14). Among the obtained assessment indexes, a set of the threshold value and the feature amount giving the most preferable values are determined as a set of a first threshold value and a first feature amount forming an element of the determination algorithm (S15).