【回归分析】logistic regresssion中的拟合优度检验(goodness-of-fit test)
参考资料:【回归分析】台湾交通大学-黄冠华教授goal:totesthowwelltheusedmodelfitstotheobserveddata.inthelinearregression,thecoeffientofdeterminationR2R^2R2,whichrepresentsthefractionofthetotalvariationofthedataexplainedbythe