2019

07-24 dplyr for programming

2017

12-23 Once again: Otf-Fonts in ggplot-graphics in LaTeX-documents with knitr
06-17 dplyr 0.7.0 with great improvements for programming

2016

11-13 ggplot2: x-axis scale now available on all facet-columns
05-08 RTFM or how to use spread of Hadley Wickham’s tidyr with a factor