bigdist_subset: Subset parts of bigdist
In bigdist: Store Distance Matrices on Disk

Description Usage Arguments Details Examples

Subset parts of bigdist

1	bigdist_subset(x, index, file)

`x`	Object of class 'bigdist'
`index`	Indexes of the bigdist to be subset as a bigdist
`file`	(string) Name of the backing file to be created. Do not include trailing ".bk". See details for the backup file format.

The filename format is of the form <somename>_<size>_<type>.bk where size is the number of observations and type is the data type like 'double', 'float'.

set.seed(1)
amat <- matrix(rnorm(1e3), ncol = 10)
td   <- tempdir()
temp <- bigdist(mat = amat, file = file.path(td, "temp_ex8"))
temp_subset <- bigdist_subset(temp, index = 21:30, file = file.path(td, "temp_ex9"))
temp_subset
temp_subset$fbm$backingfile