cyvcf2: fast, flexible variant analysis with Python.

Abstract excerpt

MOTIVATION: Variant call format (VCF) files document the genetic variation observed after DNA sequencing, alignment and variant calling of a sample cohort. Given the complexity of the VCF format as well as the diverse variant annotations and genotype metadata, there is a need for fast, flexible methods enabling intuitive analysis of the variant data within VCF and BCF files. RESULTS: We introduce cyvcf2 , a...

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