It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.
0.6.0 by Wanjun Gu, 7 months ago
Browse source code at https://github.com/cran/gptr
Authors: Wanjun Gu [aut, cre]
Documentation: PDF Manual
MIT + file LICENSE license
Imports jsonlite, RCurl
See at CRAN