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, 15:18, 22 October 2010
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| ; lsr : phred-scaled likelihood of observed bases given heterozygous genotype | | ; lsr : phred-scaled likelihood of observed bases given heterozygous genotype |
| ; lss : phred-scaled likelihood of observed bases given non-reference genotype | | ; lss : phred-scaled likelihood of observed bases given non-reference genotype |
| + | |
| + | == Calculation == |
| | | |
| :<math> | | :<math> |
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| AB = (0.05 + {\sum_i P_i(het) * nref)\over(0.10 + \sum_i P_i(het)*depth)} | | AB = (0.05 + {\sum_i P_i(het) * nref)\over(0.10 + \sum_i P_i(het)*depth)} |
| </math> | | </math> |
| + | |
| + | == Points == |
| + | |
| + | Three points for correctly deciphering why this formula works. |