Publications by Prof. Tim Fraser
Using Multiple Imputation in R
1. Introduction 2. Missing Data 3. Multiple Imputation 4. Modeling 5. Likelihood Ratio Tests 1. Introduction This page introduces a quick tutorial demoing the use of multiple imputation using the Amelia package in R. This lets us fill in missing data, by drawing from the latent trends with other variables in your dataset to guestimate the most ...
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Working with OSMData
0. Introduction 1. Downloading from osmdata 2. Hyper-local Levels of Data 3. Visualizing Data 4. Joining in sample data 5. Exporting Points 0. Introduction How do we access geographic data in R, especially at very local levels? This short tutorial describes how to gather neighborhood level data using the osmdata package, and then identify the n...
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Teaching Portfolio
#7B0D1E #7B0D1E Merriweather 1 Teaching Statement As an educator, I rely on active learning methods to help students learn political science, data science, and methods. The ‘active learning’ I employ in my classroom refers to intense focus on student-led learning, as opposed to a lecture format. Below, I outline my teaching practices, built...
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Research Statement
Aside Contact Info timothy.fraser.1@gmail.com www.timothyfraser.com For more information, please contact me via email. Figure 1 New Social Capital Indices for every city in Japan! Fraser, 2021. Intl. J. Disaster Risk Reduction. See dashboard here! Figure 2 Coastal Evacuation Pathways ever 8 hours leading up to Hurricane Dorian. Fraser (202...
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Social Connectedness in Boston
1. Importing Data 2. Viewing the Data 3. Statistics 4. Visualizing our Statistics 5. Rescaling 6. Data Wrangling 7. Correlation 8. Visualizing Correlations 10. Data Revisited 11. Map 1 12. Map 2 13. Summary Statistics 1. Importing Data Download a copy of this project here! library(tidyverse) library(sf) library(scales) Let’s import our key geo...
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Workshop: Marginal Effects for Logged Outcomes
Marginal Effects for Logged Outcomes Packages Example Dataset Distribution Model Marginal Effects with a Gamma Model In Brief Timothy Fraser, PhDComputational Social Scientist 2022-05-26 Marginal Effects for Logged Outcomes Sometimes, we want to test treatment effects for one or more treatments against a control group, but the outc...
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Social Capital Indices for Census Tracts, Zipcodes, & County Subdivisions
Social Capital Indices for Census Tracts, Zipcodes, & County Subdivisions Version History Process 0. Setup 0.1 Load Packages 0.2 Create Folders 0.3. Load API Key 1. Collect Data 1.1 Units 1.2 Indicators 1.3 Download ACS-5 Estimates 1.4 Download Zipcode Business Patterns Estimates 1.5 Download County ESRI Estimate...
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