Louis Kessler’s Behold Blog The Behold User Forum
Search Blog Entries
101.
Programming is like Songwriting - Blog entry by lkessler - 11 Feb 2018
... around New Zealand and Australia. It was there that Judy Russell coerced me into DNA analysis, so I took the leap and found that DNA now occupied and took over every spare moment left in my life. I needed something to analyze this mass of data, so I developed Double Match Triangulator for my own needs. When RootsTech later that year ...
102.
Double Match Triangulator 2.0 - Blog entry by lkessler - 6 Feb 2018
... if you had match data downloaded from 23andMe, you had to convert it to Family Tree DNA’s Chromosome Browser Results format to use. Now DMT can directly read 23andMe’s Relatives Download file containing its segment match data. The same was true for GEDmatch data. You used to haveto convert it to FTDNA format. Now DMT can directly ...
103.
The GEDmatch Relationship Tree tool - Blog entry by lkessler - 24 Jan 2018
... results) to 2, I get this: What it tells me, is that using rules of how autosomal DNA and X-DNA is passed from parent of a given sex and child of a given sex, my shared amounts with this person most closely match the estimates for two relationships (as shown in the chart above). This person is most likely my 3rd cousin in one of these ...
104.
Revisiting Missing A-B Matches - Blog entry by lkessler - 18 Jan 2018
... analysis for you as well. What Double Match Triangulator does differently than other DNA matching tools, is that it uses not just the segment matches that one person has, but uses the segment matches of two people together. Let’s call yourself Person A, and the one you’re matching with Person B. Double Match Triangulator compares the the segment matches Person A has ...
105.
A Year of “Retirement” - Blog entry by lkessler - 24 Nov 2017
... at the Great Canadian Genealogical Summit in Halifax and I just returned from FTDNA’s Genetic Genealogy Conference in Houston. Add into that two vacations, one a Western Caribbean cruise with my wife following RootsTech in February, and the second was a two-week family trip to Disney World Florida in June with my wife and older daughter while my younger daughter ...
106.
Another Estimate of Speed and Balding Figure 2B - Blog entry by lkessler - 15 Nov 2017
... taking this from the perspective of the matches in your match list at Family Tree DNA. Debbie Kennett rightly pointed out that the inclusion of only DNA matches would only affect very small segments under 9 cM, since at least one segment of 9 cM or more (or 7.69 cM plus a minimum 20 cM total) is required before the person is considered ...
107.
FTDNA’s 13th IGG Conference Lab Tour - Blog entry by lkessler - 13 Nov 2017
#FTDNA2017 – What a great conference! So many people I could talk to at a technical level and so many that I learned from. I averaged less than 5 hours of sleep per night just because the day was so full, every morning was an early wakeup, and I had to watch Saturday Night Live. I left ...
108.
FTDNA’s 13th International Genetic Genealogy Conf Day 3 - Blog entry by lkessler - 12 Nov 2017
#FTDNA2017 - First up, another breakfast sponsored by FTDNA. This was followed at 8 a.m. by an ISOGG (International Society of Genetic Genealogy) chapter meeting, my first. It was led by Katherine Bodger, the Director and co-founder of the society. ISOGG was ...
109.
FTDNA’s 13th International Genetic Genealogy Conf Day 2 - Blog entry by lkessler - 11 Nov 2017
... attendance. About 50 people, including myself, raised their hands as first timers. FTDNA currently has about 140 employees with many assisting with the Conference. Peter Sjolund, http://www.dnaacademy.se/, the ISOGG Regional Coordinator for Sweden, next presented information about the Swedish Haplogroup Database, and how Y-
110.
FTDNA’s 13th International Genetic Genealogy Conf, Day 1 - Blog entry by lkessler - 10 Nov 2017
... have gathered for 3 days of talks and mingling and discussion about the state of DNA analysis. It’s very exciting for me to be with and talk to so many experts, each with a slightly different viewpoint and their own specialties in this field. The day started with an early morning breakfast for those of us who had arrived in time. About 20 of us gathered at the ...