by Brit Nicholson | Dec 28, 2020 | DNA Code
I’ve written two Python algorithms that I describe in this article. The algorithm below works for downloaded segment-level match files from GEDmatch. The other algorithm, found here, is for match files downloaded from MyHeritage. # Copyright (c) 2020 Brit...
by Brit Nicholson | Oct 23, 2020 | Blog, DNA Science, Probability and Statistics
A formula to improve the estimation of the genetic relationship between two parents GEDmatch has had a tool called “Are Your Parents Related” (AYPR) for a few years now. The tool is helpful and easy to use. Some have argued that this information shouldn’t be...
by Brit Nicholson | Sep 29, 2020 | Blog, Probability and Statistics
What’s the probability that two children share one whole copy of the X chromosome without sharing a father? I’ve made an X chromosome model that predicts shared X DNA percentages and ranges for various ancestors, but I haven’t yet calculated ranges...
by Brit Nicholson | Aug 19, 2020 | Blog, DNA Science
Update, 3 March 2020: When I finally thought to share this information, I found out that I wasn’t the only person to have ever tried it. Still, I was encouraged to quickly finish writing up my methodology, as there weren’t any other instructions available....
by Brit Nicholson | May 18, 2020 | Blog, DNA Science
How to automatically identify your most important DNA matches I recently had this idea for a project in Python that could save me a lot of work: What if a computer program could identify your most important DNA relatives? I was sure that the results wouldn’t be...
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