Allele count and frequency expectation per sample
FORMAT=<ID=MLPSAC,Number=A,Type=Integer,Description="Maximum likelihood expectation (MLE) for the alternate allele count, in the same order as listed, for each individual sample">
FORMAT=<ID=MLPSAF,Number=A,Type=Float,Description="Maximum likelihood expectation (MLE) for the alternate allele fraction, in the same order as listed, for each individual sample">
This annotation calculates the maximum likelihood (ML) number and frequency of alternate alleles for each individual sample at a site. In essence, it is equivalent to calculating the sum of "1"s in a genotype (for a biallelic site).