Monohybrid crosses: The principle of segregation Dihybrid crosses: The principle of independent assortment Extensions of Mendels' laws Formulating and testing genetic hypotheses Mendelian Principles in Animals

1 Stationarity and unit Root testing WHy do we need to test for Non-Stationarity? The stationarity or otherwise of a series can strongly influence its behaviour and properties -e.g. persistence of shocks will be infinite for nonstationary series Spurious regressions. If two variables are trending over

1 introduction 单变量时间序列模型 一只利用变量的过去信息和可能的误差项的当前和过去值来建模和预测 的一类模型(设定)

1 Regression Regression is probably the single most important tool at the econometrician's disposal. What is regression analysis? It is concerned with describing and evaluating the relationship between a given variable (usually called the dependent variable) and one or more other

1.1 Introduction: The Nature and Purpose of Econometrics · What is Econometrics? Literal meaning is \measurement in economics?\ 对经济现象和经济关系的数量/计量分析

科技论文的写作要点 总体原则(3C): Correct(正确) Clear(清楚) Concise(简练)

3.动词后缀 1-ize,ise,表示\做成,变成,化 \modernize, mechanize, democratize, organize 2-en,表示\使成为,引起,使有” quicken, weaken, soften, harden 3-fy,表示\.,使成” beautify purify intensify, signify, simplify

2.形容词后缀 一、带有“属性,倾向,相关”的含义 1.-able, -ible, movable, comfortable, applicable, visible, responsible 2.-al, natural, additional, educational 3.-an, ane, urban, suburban, republican 4.-ant, -ent, distant, important, excellent

(二)常见的后缀 1.名词后缀

You only live once. But if you work it right, once is enough. 你只活一次,如果活得好,一次就够了