A little update on the effects of exercise on depression and happiness
I have added a little update to this post.
Crime by immigrant group by proportion of immigrants in the neighborhood in the Netherlands
Just a quick analysis. When I read the Dutch crime report that forms the basis of this paper, I noticed one table that had crime rates by the proportion of…
The general religious factor among Muslims: a multi-level factor analysis
In the review of a paper submitted to ODP some time ago, the issue of a general extremism factor in religion came up. Unfortunately, Dutton deleted the submission thread, so…
Rationality and bias test results
I've always considered myself a very rational and fairly unbiased person. Being aware of the general tendency for people to overestimate themselves (see also visualization of the Dunning-Kruger effect), this…
Web scraping with R using rvest & spatial autocorrelation
Scraping with R Although other languages are probably more suitable for web scraping (e.g. Python with Scrapy), R does have some scraping capabilities. Unsurprisingly, the ever awesome Hadley has written…
Betas and residualized variables / does non-g ability predict GPA?
https://twitter.com/KirkegaardEmil/status/641272758257717248 https://twitter.com/pnin1957/status/641284556818096128 Let's test that. Since we don't have the original data, we can't use that. We can however use open datasets. I like to use Wicherts' dataset. So let's…
Looking for commenters for our Admixture in the Americas target article
We will be submitting the Admixture in the Americas article (first part) to Mankind Quarterly as a target article. Therefore, we are looking for people to comment on it. We…
Sociology/political science journal?
I am considering starting another OpenPsych journal focused on sociology and political science. This is because I need somewhere to publish my S factor papers and I want an open…
Easy plotting of kmeans cluster analysis with ggplot2
I looked around to see if I could find a nice function for just plotting the results of kmeans() using ggplot2. I could not find that. So I wrote my…
William Shockley, verbal tilt and interpersonal sensitivity
I recently read the biography of William Shockley. Basically, I am reading biographies of prominent researchers to gain an understanding of them. I was also thinking of writing one about…
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