Chapter 1 Introduction 1.1 What is econometrics? Application of st atistical and mathematical met hods to the analysis of economic Purposes 1. Testing economic theories 2. Policy analysis(simultaneous equations model, vector autoregressive model

• Classification of systems • State variable description • State space model of linear systems • Linear-time-invariant systems • Linearization • Transfer function and state space model

Introduction The consumption-based model as a complete answer to most asset pricing question in principle, does not work well in practice; This observation motivates effects to tie the discount factor m to other data; Linear factor pricing models are most popular models of this sort in finance; They dominate discrete-time empirical work

Chapter 2 The Classical Multiple Linear Regression Model 2.1 Linear Regression Model Notation dependent variable, regressand

Fourth Edition Advantages of the Single Index Model Reduces the number of inputs for diversification. Portfolio of 50 assets 50 expected returns;50 variances 1225 covariance. too difficult a task

Introduction The Specific Factors Model International Trade in the Specific Factors Model Income Distribution and the Gains from Trade The Political Economy of Trade: A Preliminary View Summary Appendix: Further Details on Specific Factors

《机器学习》课程教学资源（讲稿）主题模型与层次主题模型（Topic Model and Hierarchical Topic Model）

Chapter 3: Relational Model Structure of Relational Databases Relational Algebra Extended Relational-Algebra-Operations Modification of the Database Views Tuple Relational Calculus Domain Relational Calculus Database System Concepts

Introduction & Motivation Introduction & Motivation Model & Simulation Model & Simulation Results Results  Domain Patterns Domain Patterns  Energy Terms Energy Terms  Field Enhanced Piezoelectricity Field Enhanced Piezoelectricity  Enhanced Piezoelectricity at Zero Field Enhanced Piezoelectricity at Zero Field  Enhanced Piezoelectricity: Critical Phenomena Enhanced Piezoelectricity: Critical Phenomena Summary Summary

Fault Aware Systems: Model-based Programming and Diagnosis Brian C. Williams 16.412J/6.834J March 8th, 2004 courtesy of JPL Four launches in 7 months MERS CSAIL