Notes on data, genomics and teaching
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Third in a series on statistical tests: the logic of hypothesis testing, what a p-value is, how to check normality, and the t-test and Wilcoxon test for a single sample.
Second in a series on statistical tests: how two variables vary together, why covariance depends on units, and how correlation fixes that.
First in a series on statistical tests: what the mean, median, variance and standard deviation really measure, and why we divide by n − 1.
Agent-based simulation of epidemics in R using OOP and R6 classes.
Redrawing my old ‘growth of R packages’ plot with ideas from William R. Chase’s ‘The Glamour of Graphics’.
How to draw the density of genotyped SNPs along a karyogram, and then zoom in on a region of interest.
From the archive: how I compiled rtl_acars on OS X 10.9 Mavericks and received my first aircraft messages with an RTL-SDR dongle.
From the archive: joining marker coordinates from two assemblies of the dog genome (canFam2 and CanFam3) without losing marker order.
From the archive: a short note on vGWAS, the idea that genetic variants can change not only the mean of a trait but also its variance.
From the archive: three small February 2011 posts on bash text one-liners, shell start-up files and aliases, and password-less SSH login, merged and corrected.
From the archive: a small gallery of favourite Polish modernist buildings, before 1939 and after 1945.
