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agricola

agricola is a Python package and command-line tool for conducting genome-wide association studies (GWAS) in admixed populations. Inspired by regenie and Tractor, agricola provides a scalable, local-ancestry–aware framework that handles relatedness, population structure, and ancestry effect heterogeneity.


Documentation

Full documentation, including examples, methods description, and details can be found here: https://frankp-0.github.io/agricola

Why agricola?

Admixed individuals have unique LD patterns that can improve signal localization and improve power for population-specific causal variants. However, standard GWAS tools fail to adjust for local ancestry or model effect heterogeneity in admixed individuals.

Tools like Tractor and SAIGE-Tractor address this gap. agricola follows the same conceptual approach-performing single-variant association tests with explicit local ancestry adjustment-but combines it with:

  • Accelerated linear algebra via JAX
  • CUDA GPU, TPU, or CPU support for flexible compute environments
  • Efficient local ancestry queries using lanctools
  • Multi-phenotype modeling
  • Adjustment for sample relatedness

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Release history Release notifications | RSS feed

0.25.4

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0.25.3

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0.25.2

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This release

0.25.1 This release

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0.24.3

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