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py_ped_sim is a Python command-line tool that simulates pedigree structures and the genomes of individuals within those pedigrees, representing pedigrees as directed acyclic graphs. It can convert between standard pedigree formats and convert PED files to a NetworkX-based pedigree, with features like varying sibship sizes and misattributed-paternity events, using SLiM as the forward genetic simulator. The tool uses a Python frontend and integrates with SLiM to simulate genetic variance in non-founders.
AI named py_ped_sim in March 2026.