Publications by Yuxin Zhang

Sampling Methods in Social Research

02.12.2024

Sampling in Quan/Qualitative Research Yuxin Zhang yuxin.zhang@unitn.it Research Design Lab, Week 9, 02 Dec. 2024 Recap & exercises on: Non-probability sampling Convenience sampling Quota sampling Purposive sampling Snowball sampling Probability sampling Simple random sampling Systematic sampling Stratified sampling (proportional/disproport...

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Sociological Theories of Education

21.11.2024

Brief notes from personal reading for myself. There can be mistakes, and if you notice any please feel free to reach out to me at yuxin.zhang@unitn.it Reading Wotherspoon, T., & Sawchuk, P. H. (2005). The Sociology of Education in Canada. Canadian Journal of Sociology, Chapter 2. Liberal analysis of education: allocation & socialization Structur...

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Modeling Categorical Outcome in Stata

19.11.2024

Modeling Categorical Outcome in Stata Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 8.1 19 Nov. 2024 Outline Binomial logistic regression — binary response * Bonus: Multinomial logistic regression — nominal response Ordinal logistic regression — ordinal response Problem...

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LPM

17.11.2024

Modeling Binary Outcome in Stata 1 Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 7.2 14 Nov. 2024 Linear regression with a binary outcome? Linear probability model (LPM) uses linear regression with a binary outcome with the values 0 and 1. \[ Y_i = \beta_0 + \beta_1 X_{1i} + \be...

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Causal DAGs

15.11.2024

Causal Diagrams and Directed Acyclic Graphs (DAGs) Yuxin Zhang yuxin.zhang@unitn.it Research Design Lab, Week 6, 11-14 Nov. 2024 Outline Key terms in DAG language Why DAGs Identify common causes & confounding Identify common effects & selection bias D-seperation rules Unmeasured confounders Identify minimally sufficient set Read complex DAGs...

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LPM

14.11.2024

Modeling Binary Outcome in Stata 1 Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 7.2 14 Nov. 2024 Linear regression with a binary outcome? Linear probability model (LPM) uses linear regression with a binary outcome with the values 0 and 1. \[ Y_i = \beta_0 + \beta_1 X_{1i} + \be...

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Causal DAGs Intro

06.11.2024

Causal Diagrams and Directed Acyclic Graphs (DAGs) Yuxin Zhang yuxin.zhang@unitn.it Research Design Lab, Week 6, 11 Nov. 2024 Outline Key terms in DAG language Why DAGs Identify common causes & confounding Identify common effects & selection bias D-seperation rules Identify minimally sufficient set Read complex DAGs Measurement bias in DAGs ...

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Linear Regression Diagnostics in Stata

05.11.2024

Linear Regression Diagnostics in Stata Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 6.1 5 Nov. 2024 Regression Diagnostics Assumptions check: Linearity Normality Homoskedasticity Independence Additional check: Influential data points No multicollinearity Note: after you made...

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More on Linear Regression in Stata

24.10.2024

More on Linear Regression in Stata Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 4.2 24 Oct. 2024 On Tuesday, you learned… Multiple linear regression with Stata Reading regression tables Simpson’s paradox How many predictors in one regression model? Depends on the theoret...

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Linear Regression in Stata

22.10.2024

Linear Regression in Stata Giovanni Minchio giovanni.minchio@unitn.it Yuxin Zhang yuxin.zhang@unitn.it Quantitative Methods Lab, Lesson 4.1 22 Oct. 2024 Common problems in Assignment 2 Using scatterplot to visualize ordinal variables: So maybe try some other ways we learned? graph bar, over(gay_shame) over(lrscale) graph box gay_shame, o...

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