基本信息
文件名称:河海大学 预测与决策 part 2 - FUNDAMENTALS OF QUANTITATIVE FORECASTING.ppt
文件大小:1.71 MB
总页数:63 页
更新时间:2026-02-26
总字数:约1.33万字
文档摘要
CloselyrelatedtoMSDisthevariance,whichisdefinedasthesumofsquareddeviationsdividedbythedegreesoffreedom.FortheagedatathevarianceofageisBytakingthesquaredrootofthesetwosummarynumbers,wegettwoadditionalsummarystatistics,asfollows:WhereRMS=rootmean