coefficientofdeterminationSSR:Sumofsquaresoftheregression,即预测数据与原始数据均值之差的平方和SST:Totalsum... 该统计参数计算的是拟合数据和原始数据对应点的误差的平方和SSE越接近于0,说明模型选择和拟合更好,数据预测也越成功。R-square(确定系数):Coefficientof ...
(2)the amount of variation in the observed values of the response variablethat is explained by the regression.(用回归估计出来的y) 引入以下三个评估参数: 对应图是: 评判标准: The coeffificient of determination, r 2, always lies between 0 and 1. A value of r 2near 0 suggests that the re...
The Regression Sum of Squares (SSR) can never be greater than the Total Sum of Squares (SST). 参考答案:对 点击查看答案 你可能感兴趣的试题 单项选择题 为实现共同目标而一起工作的群体称为( )。 A. 管理B. 决策C. 管理人员 D. 组织
where SST is the sea surface temperature in Kelvin, θ is the incident angle of the radiometer, ka(z) is the atmospheric attenuation coefficient (a can be taken as O2 and H2O, representing oxygen and water vapor, respectively), z is the altitude in kilometers, τ is atmospheric optical de...