Load simulated genotypes in the FBM format.

The function loads the matrix of simulated genotypes with 1,500 samples (rows) and 200 genetic variants (columns). Genotypes are coded as 0, 1 and 2 (the number of alternative alleles). All variants have the minor allele frequency fixed to 0.5.

attach_example200()

Value

An object of class FBM.

Examples

G <- attach_example200()
G
#> A Filebacked Big Matrix of type 'code 256' with 1500 rows and 200 columns.
G[1:5, 1:10]
#>      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
#> [1,]    2    1    0    2    1    1    1    1    2     1
#> [2,]    1    2    1    1    2    1    1    2    1     1
#> [3,]    2    2    1    1    1    1    1    0    2     0
#> [4,]    0    2    0    2    1    0    0    1    0     2
#> [5,]    1    2    0    2    2    1    0    0    1     0