Kia ora, welcome to the workshop page!
You'll find all materials under the 'presentations' folder. Please feel free to clone, or if you not used to working in git, just click on the 'download zip' link on the right.
Best wishes,
Olivia
(This is just if you don't want to download the entire zip again)
(1) PDF of latest version of data manipulation with answers: http://bit.ly/1IAZsb0
(2) PDF of latest version of ggplot with answers: http://bit.ly/1hcFXvi
(1) See the extra materials folder - lots of extra materials in there! - extensions of what we covered
(2) For those interested in 3D graphs, see my tutorial on it - https://oliviarata.wordpress.com/2015/03/07/visualising-model-predictions-with-3d-graphs/
(3) For those who requested some references for learning R:
(a) http://www.cookbook-r.com
(b) https://cran.r-project.org/doc/contrib/Paradis-rdebuts_en.pdf
(c) A seminar series I organised: https://github.com/orb16/seminaRs
(d) For checking what packages to use for a particular topic, see https://cran.r-project.org/web/views/
(e) For help, try stackoverflow.com, or one of the r mailing lists: https://www.r-project.org/mail.html