著者

野田 明男

巻号頁・発行日

2007-03-23

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In order to see how predominant results the west group of trainers gained over the east groupin the horse racing data[ 3] of JRA for the period from 1998 to 2005, the author aims at a quantitativestudy of explored data analysis, and follows C.Hirotsu by making use of the statistical approachdiscussed in Chapter 6 of his book[ 1]. Indeed, based upon the data books[ 3], we make out a lot of 2×6 contingency tables with ordered categories, and compute various statistics in Tables A, B and C ofsection 3 that play significant roles in the theory of accumulated chi-square test. These tables then enableus to extract some conclusions in the last section, concerning the theme mentioned in the title of thisreport