["Data caching is not new. It is often necessary to save intermediate data files when the process of loading and/or manipulating data takes a considerable amount of time. This problem is further complicated when working with dynamic data that changes regularly. In these situations it often sufficient to use data... 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.
DataCache An R package to manage data caching.
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.
Rgitbook Creating Gitbook Projects with R Markdown.
sqlutils An R package to manage a library of SQL queries.
timeline An R package to create timeline figures.