Function to Simplify Loading and Installing Packages
["One of the more tedious parts of working with R is maintaining my R library. To make my R scripts reproducible and sharable, I will install packages if they are not available. For example, the top of my R scripts tend to look something like this:\n\nif(!require(devtools) | !require(ggplot2) | !require(psych)... continue reading...
The primary focus of this website is to provide documentation for R packages I maintain. These include:
PSAboot Bootstrapping for Propensity Score Analysis.
TriMatch Propensity score matching for non-binary treatments.
multilevelPSA An R package for estimating and visualizing multilelel propensity score models.
geocode An R package to geocode IP addresses using GeoIP’s database and street addresses using Google or Yahoo.
ipeds An R package to interface with the Integraded Postsecondary Education Data System.
irutils An R package containing a collection of useful functions for Institutional Researchers.
likert An R package to analyze and visualize Likert based items.
makeR An R package for managing document building, versioning, and templating.
naep An R package to interface with the National Assessment of Educational Progress (NAEP) restricted use databases. This includes access any analyzing data using the replicate weights and multiple plausible values.
pisa A data-only R package for the 2009 Programme of International Student Assessment (PISA) conducted by Organisation for Economic Co-operation and Development (OECD).
Rd2markdown Functions to convert Rd help files to markdown format.
retention An R package for estimating and visualizing retention and completion rates. Designed primarily for online, distant education institutions, the method used can be generalized to traditional institutions.
sqlutils An R package to manage a library of SQL queries.
timeline An R package to create timeline figures.