EMC: Data Assimilation TeamEnvironmental Modeling Center(EMC): The Environmental Modeling Center is responsible for the enhancements, transitions-to-operations, and maintenance of more than 20 numerical prediction systems: RAP/HRRR, GFS, NAM, HWRF, GFDL, NCEPLIBS et, al.GSI: Grid...【阅读全文】
一、多元线性回归1、回归方程的显著性检验总离差平方和 SST(Total Sum of Squares):反映数据波动性的大小。残差平方和 SSE(Residual Sum of Squares):反映除去线性关系以外的因素引起的波动,SSE越小,说明线性关系越能精确拟合。回归平方和 SSR(Regression Sum of Squares):反映线性拟合值与它们的平均值的总偏差,...【阅读全文】