kirkegaard: Plot contingency table with ggplot2
This is a post in the on-going series about stuff in my package: kirkegaard [I'm not egocentric but since there is no central theme about the functions in the package…
New papers out! Admixture in the Americas
I forgot to post this blog post at the time of publication as I usually do. However, here it is. As explored in some previous posts, John Fuerst and I…
Is sharing the chorion important? (No)
In the comments on this SlateStarCodex post, someone is questioning my claim that sharing the chorion (what is that?) is unimportant: Emil: Uterine environment stuff is not important. We know…
Some numbers on non-shared ‘environment’ effects
https://slatestarcodex.com/2016/03/16/non-shared-environment-doesnt-just-mean-schools-and-peers/ Scott Alexander has a new post out summarizing the interpretations of what constitutes non-shared environment in the ACE model estimates from standard (MZ-DZ) twin studies. I'm happy that he…
Making use of list-arrays in R
Quick recap of the main object types in R from Advanced R: homogeneous heterogeneous 1-d atomic vector list 2-d matrix data.frame n-d array ??? So, objects can either store only…
Excluding missing or bad data in R: not as easy as it should be!
On-going series of posts about functions in my R package (https://github.com/Deleetdk/kirkegaard ). Suppose you have a list or a simple vector (lists are vectors) with some data. However, some of…
Correcting for n-level discretization?
When one has a continuous variable and then cuts it into bins (discretization) and correlates it with some other variable, the observed correlation is biased downwards to some extent. The…
The performance of immigrants from Yugoslavia in Denmark and Norway
This is actually an older post, but by accident I posted it on the Danish language sister blog. https://twitter.com/JayMan471/status/639768391906144256 I don't know what study that is, however, I do have…
Admixture mapping assisted GWAS
Medical researchers have noticed that some diseases differ by SIRE (self-identified race/ethnicity) groups which differ by genomic (racial) ancestry. Hence, when genomic measures became available (last 15 years or so),…
Does genomic prediction work?
Comment on: http://infoproc.blogspot.dk/2016/02/missing-heritability-and-gcta-update-on.html First, skim this paper: http://journals.plos.org/ploso... Genomic prediction works fairly well. This recent paper does a cross-data cross-method analysis of genomic prediction methods using 10 fold cross-validation to…
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