Now that we’ve covered the fundamentals of triangulation of DNA test data and how to do one to one comparisons of DNA tests at GEDmatch (as shown in my previous article, Introduction To Using GEDmatch), I want to show how to import this comparison data into the Genome Mate software. In this blog post, I will walk through the process of importing GEDmatch one to one comparison data into Genome Mate, step by step.
Prior to importing any data into Genome Mate, you need to have at least one profile setup in Genome Mate, and that profile needs to have the associated GEDmatch kit number entered. If you have not done this yet, or need help in doing so, please refer back to my previous article, Introduction To Genome Mate.
As shown in my previous article, Introduction To Using GEDmatch, use the GEDmatch site to do a one to one comparison between two kit numbers, select and copy the data from the GEDmatch results page, and then open up your Genome Mate software.
1) In Genome Mate, after making sure you have first backed up your database, select the profile for which you wish to add match data and click on the Import Data link in the menu bar near the top of the program window. (Note: the profile you are importing to must have the GEDmatch kit number of the profile person entered for the import process to work).
2) Clicking on the Import Data link will bring up the Import Data window. Select the radio button next to GedMatch in the Select Data Source section, and then click on the (3) Copy/Paste GedMatch 1 to 1 Comparison Matches link in the GedMatch Import Options section.
3) Clicking on the (3) Copy/Paste GedMatch 1 to 1 Comparison Matches link in the GedMatch Import Options section will bring up another Import Data window. Click inside the rectangular box, and then paste the data you previously copied from GEDmatch (Windows users hold down the Control key and press the V key on your keyboard, Mac users hold down the Command key and press the V key on your keyboard). Although the instructions warn that only the Chrome and Firefox browsers are supported, I have found that as of version 1.2.19 of Genome Mate, the Safari browser also works in most cases. After pasting your data into the box, click on the Format button.
4) Clicking the Format button will bring up yet another Import Data window, showing the chromosome(s) and segment(s) that are about to be imported. Before continuing, it’s always a good idea to make sure the profile listed is the one you want to import data to. After making sure you are importing to the correct profile, it’s also a good idea to take a quick look through the list to make sure everything appears ok. In the last column, in the Message field, you will see one of four things: a blank field, “Adding relative record”, “Duplicate match”, or “cMs below 7.0″ (or the segment length threshold level you have set if you have entered something in place of the default value),
A blank field means the person you match with already has a record in your Genome Mate database, but this segment is new to your database and will be added. Adding relative record means the person you match with does not already have a record in your Genome Mate database, and they are being added to your database along with this segment data. Duplicate match means the person you match with already has a record in your Genome Mate database with this same segment data, so nothing additional needs to be added to your database for this segment. When it says “cMs below…”, it means the segment length is below the threshold level set in Genome Mate (7 cM by default, which is recommended), and this segment data will not be added into your database.
After reviewing to make sure there are not any obvious errors being reported in what you are about to import, click on the Add Data button.
5) Clicking on the Add Data button will bring up the Import Summary window. This acts as a confirmation that the data was imported, as long as Matches Added and Relative records added are not both 0 (zero). If they are both zero, this is letting you know that something went wrong, and you should repeat steps 1 through 4 above. While it may initially cause concern, there will always be something listed in the Rejected for invalid format category. This is a byproduct of the data conversion process, and is not an indication of a problem unless Matches Added and Relative records added are both 0 (zero). After verifying you do not have zeros for both Matches Added and Relative records added, click the Close button.
(Note: If you have zeros for both Matches Added and Relative records added, check to make sure that you have selected the (3) Copy/Paste GedMatch 1 to 1 Comparison Matches link and have not mistakenly selected one of the other options.)
6) Clicking the Close button returns you to the previous Import Data window, minus the Add Data button, and you can now click the Close button in the Import Data window.
7) Clicking the Close button in the Import Data window will return you to the main Genome Mate screen, with the first of our imported matches now showing. Newly imported matches are highlighted in blue for a few days to help differentiate them from existing matches as you continue accumulating more and more match data.
Congratulations, we have completed doing a one to one comparison at GEDmatch, and have imported this data into Genome Mate. In the next article in this series, I will show how to import the results data from one to one comparisons with multiple people into Genome Mate all in one import. Before closing your Genome Mate software, remember to backup your database file.
If you experience any problems while following these steps, or notice that a screen has changed substantially from what I’ve shown in the screenshots, please let me know by commenting on this thread or sending me an email. Thank you.
The next article in this series is Using Genome Mate Part 3 (Importing GEDmatch Chromosome Browser Data).
This article last updated 20 Oct 2014