Regression with Dummy Variables pdf epub mobi txt 电子书下载 2025

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出版者:SAGE Publications, Inc

作者:Melissa A Hardy

出品人:

页数:96

译者:

出版时间:1993-2-25

价格:USD 19.00

装帧:Paperback

isbn号码:9780803951280

丛书系列:

图书标签:

格致方法·定量研究系列
数据分析
Regression
Quant
回归分析
虚拟变量
计量经济学
统计学
数据分析
模型构建
经济学
统计建模
线性模型
假设检验

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具体描述

It is often necessary for social scientists to study differences in groups, such as gender or race differences in attitudes, buying behaviour, or socioeconomic characteristics. When the researcher seeks to estimate group differences through the use of independent variables that are qualitative, dummy variables allow the researcher to represent information about group membership in quantitative terms without imposing unrealistic measurement assumptions on the categorical variables. Beginning with the simplest model, Hardy probes the use of dummy variable regression in increasingly complex specifications, exploring issues such as: interaction, heteroscedasticity, multiple comparisons and significance testing, the use of effects or contrast coding, testing for curvilinearity and estimating a piecewise linear regression.