\[ \DeclareMathOperator{\E}{E} \DeclareMathOperator{\mean}{mean} \DeclareMathOperator{\Var}{Var} \DeclareMathOperator{\Cov}{Cov} \DeclareMathOperator{\Cor}{Cor} \DeclareMathOperator{\Bias}{Bias} \DeclareMathOperator{\MSE}{MSE} \DeclareMathOperator{\RMSE}{RMSE} \DeclareMathOperator{\sd}{sd} \DeclareMathOperator{\se}{se} \DeclareMathOperator{\rank}{rank} \DeclareMathOperator*{\argmin}{arg\,min} \DeclareMathOperator*{\argmax}{arg\,max} \newcommand{\Mat}[1]{\boldsymbol{#1}} \newcommand{\Vec}[1]{\boldsymbol{#1}} \newcommand{\T}{'} \newcommand{\distr}[1]{\mathcal{#1}} \newcommand{\dnorm}{\distr{N}} \newcommand{\dmvnorm}[1]{\distr{N}_{#1}} \newcommand{\dt}[1]{\distr{T}_{#1}} \newcommand{\cia}{\perp\!\!\!\perp} \DeclareMathOperator*{\plim}{plim} \]

Chapter 1 Introduction

Notes used when teaching “POLS/CS&SS 501: Advanced Political Research Design and Analysis” and “POLS/CS&SS 503: Advanced Quantitative Political Methodology” at the University of Washington.

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