应用多元统计
Allsciencesofobservationfollowthesamecourse.Onebeginsbyobservingaphenomenon,thenstudiesallassociatedcircumstances,andfinally,iftheresultsofobservationcanbeexpressednumerically[Quetelet'sitalics],estimatestheinten-sityofthecausesthathaveconcurredinitsformation.Thiscoursehasb
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