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Welcome to the xtdata wiki!

Purpose

The xtdata package aims at providing some helper functions to users working with Quality of Government datasets, especially with regards to merging different cross-sectional time series.

The package allows the user to download data from several sources, and to merge it according to the specifications of the xtdata data frame attribute.

Readings

• Jerven, Morten (2013), Poor Numbers. Cornell University Press.
• Rothstein, Bo (2011) The Quality of Government. University of Chicago Press.
• QOG Reading Recommendations (time series methodological articles)

Technical

Here are the Stata do-file and R script to generate the QOG variable indexes bundled in the package.

Stuff for future versions

• xtlag and xtlead as in DataCombine
• xtevent: time-since-event and decay functions
• simcf (Zelig simulations for TSCS models)

Further inspiration

• eeptools, questionr, memisc and usgd (surveys)
• ggplot2 (graphics)