big_write | R Documentation |
Write a file from a Filebacked Big Matrix (by parts).
big_write( X, file, every_nrow, ..., ind.row = rows_along(X), ind.col = cols_along(X), progress = FALSE )
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 |
Input parameter file
, invisibly.
X <- big_attachExtdata() csv <- big_write(X, tempfile(), every_nrow = 100, progress = interactive())
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