Matchfile Format

Matchfile Format

Each line in the .match file represents a shared segment for a pair of individuals with the following fields:

1. Family ID 1
2. Individual ID 1
3. Family ID 2
4. Individual ID 2
5. Chromosome
6. Segment start (bp)
7. Segment end (bp)
8. Segment start (SNP)
9. Segment end (SNP)
10. Total SNPs in segment
11. Genetic length of segment
12. Units for genetic length (cM or MB)
13. Mismatching SNPs in segment
14. 1 if Individual 1 is homozygous in match; 0 otherwise
15. 1 if Individual 2 is homozygous in match; 0 otherwise

Match files can be generated using GERMLINE