R statistical programming related stuff
R is a free and open-source statistical programming environment. Being open-source and free it has a large and helpful online community (for instance, see StackOverflow). When I went from carrying out analysis in SPSS to do them in R, I searched for good books targeted to Psychologists. In this post, you will find four great […]
R books for Psychologists Read More »
Do you also find it time-consuming to make your manuscripts follow American Psychological Associations (APA) guidelines? Have you searched the internet for a good .docx/.doc APA template? After reading this post, you might not have to search anymore. Papaja is an r-package that makes your manuscript conform to APA guidelines! In this post, I will
Papaja – APA manuscripts made easy Read More »
In this tutorial, you will learn how to do reverse coding in R. Specifically, we will use 1) base R to reverse some variables (e.g., questionnaire items) and 2) we will use the Psych package to do reverse scoring. Reverse scoring in R Many instruments (i.e., questionnaires) contain items that are phrased so that a
Reverse Scoring using R Statistical Environment Read More »
