big_write {bigstatsr} | R Documentation |
Write an FBM to a file
Description
Write a file from a Filebacked Big Matrix (by parts).
Usage
big_write(
X,
file,
every_nrow,
...,
ind.row = rows_along(X),
ind.col = cols_along(X),
progress = FALSE
)
Arguments
X |
An object of class FBM. |
file |
File to write to. |
every_nrow |
Number of rows to write at once. |
... |
Other arguments to be passed to data.table::fwrite,
except |
ind.row |
An optional vector of the row indices that are used. If not specified, all rows are used. Don't use negative indices. |
ind.col |
An optional vector of the column indices that are used. If not specified, all columns are used. Don't use negative indices. |
progress |
Show progress? Default is |
Value
Input parameter file
, invisibly.
Examples
X <- big_attachExtdata()
csv <- big_write(X, tempfile(), every_nrow = 100, progress = interactive())
[Package bigstatsr version 1.5.12 Index]