Learn R Programming
DatABEL (version 0.9-6)

databel-class: DatABEL class

Description

DatABEL stores matrix-shape data in such a way that it can be retrieved fast.

Usage

"show"(object)


"dim"(x)


"length"(x)


"dimnames"(x)


"dimnames"(x) <- value


"["(x, i, j, drop)


"["(x, i, j) <- value


get_dimnames(object)


set_dimnames(x) <- value


backingfilename(object)


cachesizeMb(object)


cachesizeMb(x) <- value


save_as(x, rows, cols, file, cachesizeMb = 64, readonly = TRUE)


connect(object, readonly = TRUE)


disconnect(object)


setReadOnly(x) <- value

Arguments

object
A DatABEL object
x
A DatABEL object
value
Values to be replaced/inserted
i
Row index
j
Column index
drop
Boolean (FALSE by default); UNUSED
rows
Index for the rows
cols
Index for the columns
file
Filename to save to
cachesizeMb
Amount (in MB) of RAM to use for caching DatABEL data.
readonly
Boolean that specifies whether the file is to be used in read-only mode or not

Slots

usedRowIndex
("integer")
usedColIndex
("integer")
uninames
("list")
backingfilename
Name of the (stem of the) file that contains the data stored in DatABEL format ("character")
cachesizeMb
Amount (in MB) of RAM to use for caching DatABEL data. ("integer")
data
("externalptr")