RDocumentation
Moon
Search all packages and functions
⚠️
There's a newer version (4.0.7) of this package.
Take me there.
Readme not available 😞
Copy Link
Copy
Link to current version
Version
Version
4.0.7
4.0.5
4.0.4
4.0.2
2.2-14.2
2.2-14
2.2-13
2.2-12
2.2-11
2.2-10
2.2-9
2.2-7
2.2-6
2.2-5
2.2-4
2.2-3
2.2-2
2.2-1
2.2-0
2.1-2
2.1-1
2.1-0
2.0.1
2.0.0
1.0-1
Down Chevron
Install
install.packages('ff')
Monthly Downloads
16,088
Version
2.2-14
License
GPL-2 | file LICENSE
Maintainer
Jens Oehlschl�gel
Last Published
May 15th, 2018
Functions in ff (2.2-14)
Search functions
dimnames.ffdf
Getting and setting dimnames of ffdf
ff
ff classes for representing (large) atomic data
clone.ffdf
Cloning ffdf objects
ramattribs
Get ramclass and ramattribs
ffsort
Sorting of ff vectors
levels.ff
Getting and setting factor levels
geterror.ff
Get error and error string
ffapply
Apply for ff objects
ffsuitable
Test ff object for suitability
maxlength
Get physical length of an ff or ram object
ramsort.default
Sorting: Sort R vector in-RAM and in-place
getpagesize
Get page size information
fixdiag
Test for fixed diagonal
pagesize
Pagesize of ff object
ffdfindexget
Reading and writing ffdf data.frame using ff subscripts
ffdfsort
Sorting: convenience wrappers for data.frames
is.open
Test if object is opened
close.ff
Closing ff files
dummy.dimnames
Array: make dimnames
unclass_-
Unclassed assignement
delete
Deleting the file behind an ff object
dim.ff
Getting and setting dim and dimorder
read.table.ffdf
Importing csv files into ff data.frames
is.ffdf
Test for class ff
finalizer
Get and set finalizer (name)
length.hi
Hybrid Index, querying
open.ff
Opening an ff file
ffinfo
Inspect content of ff saves
maxffmode
Lossless vmode coercability
ffconform
Get most conforming argument
physical.ffdf
Getting physical and virtual attributes of ffdf objects
ffdrop
Delete an ffarchive
write.table.ffdf
Exporting csv files from ff data.frames
physical.ff
Getting and setting physical and virtual attributes of ff objects
ffdf
ff class for data.frames
vector.vmode
Create vector of virtual mode
unsort
Hybrid Index, internal utilities
print.ff
Print and str methods
update.ff
Update ff content from another object
dimnames.ff_array
Getting and setting dimnames
ffindexget
Reading and writing ff vectors using ff subscripts
vecprint
Print beginning and end of big vector
ffreturn
Return suitable ff object
ffload
Reload ffSaved Datasets
ffxtensions
Test for availability of ff extensions
ffsave
Save R and ff objects
matcomb
Array: make matrix indices from row and columns positions
file.resize
Change size of move an existing file
is.readonly
Get readonly status
is.sorted
Getting and setting 'is.sorted' physical attribute
filename
Get or set filename
vmode
Virtual storage mode
getset.ff
Reading and writing vectors of values (low-level)
finalize
Call finalizer
names.ff
Getting and setting names
hi
Hybrid index class
vt
Virtual transpose
mismatch
Test for recycle mismatch
length.ff
Getting and setting length
length.ffdf
Getting length of a ffdf dataframe
hiparse
Hybrid Index, parsing
readwrite.ff
Reading and writing vectors (low-level)
undim
Undim
nrowAssign
Assigning the number of rows or columns
is.ff
Test for class ff
matprint
Print beginning and end of big matrix
na.count
Getting and setting 'na.count' physical attribute
repnam
Replicate with names
vmode.ffdf
Virtual storage mode of ffdf
ram2ffcode
Factor codings
sortLevels
Factor level manipulation
symmIndex2vectorIndex
Array: make vector positions from symmetric array index
swap
Reading and writing in one operation (high-level)
symmetric
Test for symmetric structure
splitPathFile
Analyze pathfile-strings
vector2array
Array: make array from vector
vw
Getting and setting virtual windows
vectorIndex2arrayIndex
Array: make array from index vector positions
Forbidden_ffdf
Forbidden ffdf functions
Extract.ffdf
Reading and writing data.frames (ffdf)
as.ff.bit
Conversion between bit and ff boolean
CFUN
Collapsing functions for batch processing
Extract.ff
Reading and writing vectors and arrays (high-level)
bigsample
Sampling from large pools
chunk.ffdf
Chunk ff_vector and ffdf
chunk.bit
Chunk bit vectors
as.ffdf
Coercing to ffdf and data.frame
as.vmode
Coercing to virtual mode
clone
Cloning ff and ram objects
add
Incrementing an ff or ram object
arrayIndex2vectorIndex
Array: make vector positions from array index
as.ff
Coercing ram to ff and ff to ram objects
as.hi
Hybrid Index, coercion to
array2vector
Array: make vector from array
Internal_ffdf
Internal ffdf functions
LimWarn
ff Limitations and Warnings
as.integer.hi
Hybrid Index, coercing from