This archive (700MB) contains the following data files for Pritchard et al. (2016), used for calculating and applying the PPC correction: R_code for_PPC_correction.txt: Annotated R code for calculating PPC correction coefficients from data in CALL.txt and INT.txt. CALL.txt: File of genotype calls. INT2.txt: File of A and B allele probe intensities. PPC_correction_coefficients.csv: PPC correction coefficients returned for each SNP. See README file in archive for further information.