Split a matrix into blocks — split_mat • admixtools

This function splits a large matrix into smaller blocks with cols_per_chunk columns per block, and saves them as .rds files with prefix prefix

split_mat(mat, cols_per_chunk, prefix, overwrite = TRUE, verbose = TRUE)

Arguments

mat: The matrix to be split
cols_per_chunk: Number of columns per block
prefix: Prefix of output files
overwrite: Overwrite existing files (default TRUE)
verbose: Print progress updates

See also

packedancestrymap_to_afs, afs_to_f2

Examples

if (FALSE) {
afdat = packedancestrymap_to_afs('path/to/packedancestrymap_prefix', allpopulations)
split_mat(afdat$afs, cols_per_chunk = 20, prefix = 'afdat_split_v42.1/afs')
}