ritwals is an R package that provides an intuitive interface to the World Atlas of Language Structures. The WALS data is (re)distributed with the package (i.e. web access is not required to use it).
See function reference (vignettes are in preparation).
Portions of this package constitute a derivative work of the World Atlas of Language Structures (Dryer & Haspelmath 2013); see DESCRIPTION.
Semantically, the WALS has not been changed upon incorporation into this software package. What has been done is to collate all the various data files WALS provides (on languages, on features, on geographical information…) into a single data frame that supplies the entire atlas in one place, and enhance this with functions that assist in accessing the atlas data.
Dryer, Matthew S. & Haspelmath, Martin (eds.) 2013. The World Atlas of Language Structures Online. Leipzig: Max Planck Institute for Evolutionary Anthropology. http://wals.info