BIGr

R
CRAN
Genomics
Polyploid
Breeding
Core R package with genomic analysis functions for diploid and polyploid breeding programs

Core R package with genomic analysis functions for diploid and polyploid breeding programs

Overview

BIGr is an R package developed by Breeding Insight that provides functions for analyzing genomic and pedigree data in diploid and polyploid breeding programs. It serves as the computational backbone for BIGapp and can be used independently for scripted analyses.

Key Features

  • Genotype Processing — Quality control and filtering functions
  • Relationship Matrices — Calculate genomic relationship matrices
  • Population Structure — Tools for structure analysis
  • Format Conversions — Convert between common genomic data formats
  • Polyploid Support — Specialized functions for polyploid species

Installation

install.packages("BIGr")

Citation

Sandercock A.M., Taniguti C.H., Chinchilla-Vargas J., et al. (2025). BIGr: Breeding Insight Genomics Functions for Polyploid and Diploid Species. GitHub

Funding

BIGr development is supported by Breeding Insight, a USDA-funded initiative.