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castgen  

Estimate Sample Size for Population Genomic Studies
View on CRAN: Click here


Download and install castgen package within the R console
Install from CRAN:
install.packages("castgen")

Install from Github:
library("remotes")
install_github("cran/castgen")

Install by package version:
library("remotes")
install_version("castgen", "1.0.2")



Attach the package and use:
library("castgen")
Maintained by
Alexander M. Sandercock
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-04-02
Latest Update: 2025-04-02
Description:
Estimate sample sizes needed to capture target levels of genetic diversity from a population (multivariate allele frequencies) for applications like germplasm conservation and breeding efforts. Compares bootstrap samples to a full population using linear regression, employing the R-squared value to represent the proportion of diversity captured. Iteratively increases sample size until a user-defined target R-squared is met. Offers a parallelized R implementation of a previously developed 'python' method. All ploidy levels are supported. For more details, see Sandercock et al. (2024) <doi:10.1073/pnas.2403505121>.
How to cite:
Alexander M. Sandercock (2025). castgen: Estimate Sample Size for Population Genomic Studies. R package version 1.0.2, https://cran.r-project.org/web/packages/castgen. Accessed 26 Aug. 2026.
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