Thomas J. Leeper

margins. An R Port of Stata's 'margins' Command

slopegraph. Edward Tufte-Inspired Slopegraphs

meme. Meme Generation in R

data-versioning. Collecting thoughts about data versioning

tttable. Defining a grammar of tables

prediction. Tidy, Type-Safe 'prediction()' Methods

conjoint-example. An Example Conjoint Experimental Design in Qualtrics

csvy. Import and Export CSV Data With a YAML Metadata Header

cregg. Simple Conjoint Analyses, Tidying, and Visualization

make-example. An example of using make for a data analysis project

pdfcount. An R Shiny App to Count Words in a PDF Document

htlatex-example. Demo of htlatex for LaTeX to Word (.docx) file conversion

reggie. Stata-like Regression Functionality for R

UNF. Tools for Creating Universal Numeric Fingerprints for Data

designcourse. Course materials for "Research Design in Political Science"

lumendb. Lumen Database (Chilling Effects) API Client

references. All of my bibliographic references

Depends. Quick demo of the risks of using 'Depends' in R packages

surveycourse. Course materials for seminar on survey research methods

Rcourse. R Course Materials

lectures. Collection of files for miscellaneous talks and lectures

rrcourse. Course Materials for Reproducible Research Workshop

expcourse. Course materials for "Experimentation and Causal Inference"

rite. rite: The Right Editor to Write R

opinioncourse. Materials for "Public Opinion, Political Psychology, and Citizenship"

rpublons. Client for Publons.com

lookfor. R port of Stata's lookfor command

poliscitoys. Toy datasets for political science methods

responserates. AAPOR Survey Response Rates

qualtrics. This package utilizes the Qualtrics API to interface with the Qualtrics survey system.

surveyexpcourse. Materials for a short course on Survey Experiments

webuse. Import Stata 'webuse' Datasets

apsa-leeper.bst. BibTeX style file for political science (adapted from apsa.bst)

rio.db. A Database Extension for 'rio'

arco. Select colors from the Tcl/tk `chooseColors` widget

conjoint-subgroups. Reproduction Materials for "Measuring Subgroup Preferences in Conjoint Experiments"

textcolor. R

interaction-plot. A simple shiny app for examining interaction effects

choco-rtools. Chocolatey package for Rtools

statcompcourse. Course materials for Introduction to Statistical Computing

Impressive. A fork of Martin Fiedler's Impressive presentation application

regcourse. Some course materials about regression

excel-vba-userform-marking. Some VBA for an Excel UserForm used for essay marking at LSE

travis. Set Up Travis for Testing and Deployment