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My ReadPosRankSumTest (ReadPosRankSum) distribution looks funny
I was looking at the hard filtering cutoffs and hence looking at the distributions of MQ, QD, MRankSum and so on. All look fine - similar to yours (https://software.broadinstitute.org/gatk/documentation/article.php?id=6925) but one. I was wondering wether my ReadPosRankSumTest (ReadPosRankSum) distribution looks indeed funny or if there is a specific reason for that.