multicollinearity,英語單詞,主要用作名詞,作名詞時譯為“[數] 多重共線性”。
基本介紹
- 外文名:multicollinearity
- 詞性:名詞
- 發音:[,mʌltikəli'niəriti]
- 釋義:[數] 多重共線性

multicollinearity,英語單詞,主要用作名詞,作名詞時譯為“[數] 多重共線性”。
多元共線性(Multicollinearity)是指線性回歸模型中的解釋變數之間由於存在精確相關關係或高度相關關係而使模型估計失真或難以估計準確。一般來說,由於經濟數據的限制使得模型設計不當,導致設計矩陣中解釋變數間存在普遍的相關關係。完全共線性的情況並不多見,一般出現的是在一定程度上的共線性,即近似共線性。解決方法:...
assessing multicollinearity stage 6: validation of the results additional or split samples calculating the press statistic comparing regression models forecasting with the model illustration of a regression analysis stage 1: objectives of multiple regression stage 2: research design of a multiple regression ...
線性回歸尤其是多因素回歸分析過程中,要保證模型建立得合理、科學,模型診斷(model diagnosis) 是必不可少的。所謂模型診斷主要是檢查數據是否符合線性回歸的套用條件,變數間是否存在多重共線性(multicollinearity),是否存在異常點或強影響點等。異常點檢查 異常點主要包括離群點(outliers) 和高槓桿點(high leverage...
The Components of the OLS riances:Multicollinearity Variances fn Misspecified Mols Estimating G2:Standard Errors ofthe oLs Estimators 3.5 Efficiency of OLS:The Gauss.Markov Theorem Summary KeyTerms Problems Computer Exercises Appendix 3A Chapter 4 Multiple Regression Analysis:Inference 4.1 Sampling ...
Multicollinearity in multiple regression data Quality fit, quality prediction, and the HAT matrix Categorical or indicator variables (Regression models and ANOVA models)Exercises References CHAPTER 4 CRITERIA FOR CHOICE OF BEST MODEL Standard criteria for comparing models Cross validation for model selection...
377Estimated Multiple Regression Equation 37713.2 Least Squares Method 378An Example: Butler Trucking Company 379Note on Interpretation of Coefficients 38113.3 Multiple Coefficient of Determination 38713.4 Model Assumptions 39113.5 Testing for Significance 392F Test 392t Test 395Multicollinearity 39613...
非完全多重共線性 非完全多重共線性(no perfect multicollinearity )是2016年公布的管理科學技術名詞。定義 變數之間不能完全表示為線性函式關係。出處 《管理科學技術名詞》第一版。
Multicollinearity Homogeneity of Variance-Covariance Matrices Reporting the Results Results for Multivariate Tests Results for Univariate Tests Null Hypotheses Testing Post Hoc Tests Summary Chapter 7 Conclusions and Recommendations Summary Interpretation Implications Future Research References Appendices Index 作者...
Transformed Variables 274xiv ContentsEstimated Standardized RegressionCoefficients 2757.6 Multicollinearity and Its Effects 278Uncorrelated Predictor Variables 279Nature of Problem when Predictor VariablesAre Perfectly Correlated 281Effects of Multicollinearity 283Need for More Powerful Diagnostics forMulticollinearity ...
3.14 Identification and Quantification of Multicollinearity 3.14.1 Principal Components Regression 3.14.2 Ridge Estimation 3.14.3 Shrinkage Estimates 3.14.4 Partial Least Squares 3.15 Tests of Parameter Constancy 3.15.1 The Chow Forecast Test 3.15.2 The Hansen Test 3.15.3 ...
43. Chen, Son-Nan, and Kisuk Jeon. 1994. A Macroeconomic- Factor Model of Optimal Portfolio Selection Under Differential Taxation: With Multicollinearity Correction, Advanced in Investment Analysis and Portfolio Management.44. Chen, Son-Nan, and Hoyoon Jang. 1994. On Selectivity and Market Timing ...
6.3.2.2 Multicollinearity, linearity and normality 111 CHAPTER SEVEN QUALITATIVE DATA ANALYSIS AND DISCUSSION 115 7.1 Introduction 115 7.2 Qualitative Data Analysis: Results and Discussion 115 7.2.2 Results and discussion 115 7.2.2.1 Accountability 115 7.2.2.2 Regulation 123 7.2.2.3 ...
Model Building and the Effects of Multicollinearity.Residual Analysis in Simple Regression.Residual Analysis in Multiple Regression.Diagnostics for Detecting Outlying and Influential Observations.Exercises.Part III: TIME SERIES REGRESSION, DECOMPOSITION METHODS, AND EXPONENTIAL SMOOTHING.6. Time Series Regression...
14.8 Model Building and the Effects of Multicollinearity 606 14.9 Residual Analysis in Multiple Regression 614 Appendix 14.1 Multiple Regression Analysis Using MINITAB 625 Appendix 14.2 Multiple Regression Analysis Using Excel 627 Appendix 14.3 Multiple Regression Analysis Using MegaStat 629 A...
4.5 多重共線性(Multicollinearity)習題四 習題解答與提示 第5章 誤差項的序列相關與異方差性 5.1 序列相關 5.2 異方差性 習題五 習題解答與提示 第6章 函式形式與虛擬變數 6.1 模型的類型與變換 6.2 虛擬變數的使用 6.3 結構變化的檢驗 6.4 分布滯後模型 習題六 習題解答與提示 第7章 工具...
