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…
Review of Metapedia’s Race and Intelligence review
Wikipedian battlegrounds For those who don't know, Wikipedia is a common battleground for the ideological part of the race and intelligence debate. One can see this in the talk pages…
Converting a data.frame to a numerical matrix in R, not so easy!
Edit 2019 You don't really need the below. Look at the `model.matrix()` function, which converts data frames into matrices for glmnet and similar function. Original post Sometimes you need to…
Review: The Nurture Versus Biosocial Debate in Criminology: On the Origins of Criminal Behavior and Criminality
Goodreads. The book is on Libgen (free download). Since I have ventured into criminology as part of my ongoing research program into the spatial transferability hypothesis (psychological traits are stable…
Tail effects in climate science and the pleasures of polymathy
From the interactive visualization I previously published to give foster an intuitive understanding of the concept: Tail effects are when there are large differences between groups at the extremes (tails)…
What is Richard Lewontin most known for?
From Reddit. https://www.reddit.com/r/psychology/comments/3hktp8/try_phacking_for_yourself_the_process_of_fishing/cu8rexf?context=3 [–]jufnitz 2 points 1 day ago Not a bad place to plug the excellent, accessible, and snarky Statistics Done Wrong, which explains this problem with p-values along…
What exactly is age heaping and what use is it?
What is age heaping? Number heaping is a common tendency of humans. What this means is that we tend round numbers to the nearest 5 or 10 (those of us…
Can we make humans that are 1,000 SDs smarter than current humans?
Note that perhaps there should be doubt quotation marks around human in the title. Would humans with a 1,000 SD increase in (general) cognitive ability (CA) really be human? Steve…
Animal breeding, human breeding
Reading up on the huge animal breeding literature gives a useful background to one's thinking about what selection on humans will do in the future (embryo selection and direct editing…
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