sushie.io.read_vcf(path: str) → Tuple[DataFrame, DataFrame, Array][source] Read in genotype data in vcf format.cyvcf2 package is used to read in the vcf file. gt_types are used to determine the genotype matrix. It it is UNKNOWN, it will be coded as NA. Parameters: path: str¶The path for vcf genotype data (full file name). It will count REF allele. Returns: A tuple of SNP information (bim; pd.DataFrame), participants information (fam; pd.DataFrame), genotype matrix (bed; Array). Return type: Tuple[pd.DataFrame, pd.DataFrame, Array]