Version 0.9 of timeline on CRAN
The initial version of the timeline package has been released to CRAN. This package provides creates timeline plots using ggplot2 in a style similar to Preceden. I would considered this beta quality as there are more features I would like to add but has enough functionality to possibly be useful... continue reading...
The primary focus of this website is to provide documentation for R packages I maintain. These include:
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).
qualtrics An R package to interface with the Qualtrics.com survey system.
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.
ruca An R package to get Rural-Urban Commuting Area (RUCA) Codes from zip codes.
sqlutils An R package to manage a library of SQL queries.
timeline An R package to create timeline figures.
= Github page; 
= RSS XML Feed; 
= External website; 
= Portable Document File (PDF)
