NCBI’s Genetic Relationship and Fingerprinting (GRAF) tool is a quality assurance tool that can quickly find duplicates and closely related subjects in your data using SNP genotypes. The population tool GRAF-pop included in GRAF computes subject ancestries using genotypes and normalizes ancestry prediction in large datasets collected across different genotyping platforms, making it possible to … Continue reading GRAF, a tool for finding duplicates and closely related samples in large genomic datasets