SSE包用户指南说明书 Package‘sse’October14,2022 Type Package Title Sample Size Estimation Version0.7-17 Author Thomas Fabbro[aut,cre]Maintainer Thomas Fabbro<***> URL http://r-forge.r-project.org/projects/power/ BugReports http://r-forge.r-project.org/projects/power/ Description Provides fun...
(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...
make a practical study on fluctuating law of the stock index,and gives an analysis of the factors and the effects which influnence the then government to supervise the stock market,and to work out the corresponding plans and policies;it also means to lend the investors to reasonable investment...
The algorithms were coded in python or matlab including: 1.Anomaly Detection and Recommender Systems 2.Decision Trees&Boosting 3.HMM 4.K-Means Clustering and PCA 5.Linear Regression 6.Logistic Regression (matlab/octave) 7.Multi-class classification and neural networks 8.Neural network learning 9....
数学建模概述 监督学习-回归分析(线性回归) 监督学习-分类分析(KNN最邻近分类) 非监督学习-聚类(PCA主成分分析& K-means聚类) 随机算法-蒙特卡洛算法 1.回归分析 在统计学中,回归分析(regression analysis)指的是确定两种或两种以上变量间互相依赖的定量关系的一种统计分析方法. 按照自变量和因变量之间的关系类型,可...