Faster inference of complex demographic models from large allele frequency spectra.
basic_science · Level V
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- Record sourced from PubMed, PMID 42438165.
- Also identified by DOI 10.1093/bioinformatics/btag511.
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Abstract
Demographic inference from the joint site frequency spectrum is limited by computation when many populations or many samples are analyzed. We present momi3, a JAX-based method for inferring complex demographic models from large allele frequency spectra. It supports continuous migration, GPU execution, automatic differentiation, standardized demographic model input, and genealogical pruning. These changes yield speedups up to. momi3 is implemented in Python/JAX as part of demestats. Source code is available at https://github.com/jthlab/demestats; documentation is available at https://demestats.readthedocs.org. Supplementary data are available as a separate PDF.