-
Matching Madness: Causal Inference in Political Methodology
-
Too Good to Be True (læs også dette, dette og dette)
-
Code and Data for the Social Sciences: A Practitioner’s Guide 
(ht @FrederikHjorth)
-
Using Version Control with RStudio
-
~~Easy pictograms using R
-
Creating publication quality graphs in R
-
Plotting Likert-Scales (net stacked distributions) with ggplot