Package index • ff

All functions

ccbind() crbind() cfun() cquantile() csummary() cmedian() clength() csum() cmean(): Collapsing functions for batch processing
`[`(<ff>) `[<-`(<ff>) `[`(<ff_array>) `[<-`(<ff_array>) `[[`(<ff>) `[[<-`(<ff>): Reading and writing vectors and arrays (high-level)
`[`(<ffdf>) `[<-`(<ffdf>) `[[`(<ffdf>) `[[<-`(<ffdf>) `$`(<ffdf>) `$<-`(<ffdf>): Reading and writing data.frames (ffdf)
`physical<-`(<ffdf>) `virtual<-`(<ffdf>) `length<-`(<ffdf>) `vmode<-`(<ffdf>) `vw<-`(<ffdf>) vw(<ffdf>): Forbidden ffdf functions
get_nvw(): Internal ffdf functions
LimWarn: ff Limitations and Warnings
add(): Incrementing an ff or ram object
array2vector(): Array: make vector from array
arrayIndex2vectorIndex(): Array: make vector positions from array index
as.ff(<bit>) as.bit(<ff>): Conversion between bit and ff boolean
as.ff() as.ram(): Coercing ram to ff and ff to ram objects
as.ffdf() as.data.frame(<ffdf>): Coercing to ffdf and data.frame
as.hi(): Hybrid Index, coercion to
as.which(<hi>) as.bitwhich(<hi>) as.bit(<hi>) as.integer(<hi>) as.logical(<hi>) as.character(<hi>) as.matrix(<hi>): Hybrid Index, coercing from
as.vmode() as.boolean() as.quad() as.nibble() as.byte() as.ubyte() as.short() as.ushort(): Coercing to virtual mode
bigsample(): Sampling from large pools
chunk(<ff_vector>) chunk(<ffdf>): Chunk ff_vector and ffdf
clone(<ff>): Cloning ff and ram objects
clone(<ffdf>): Cloning ffdf objects
close(<ff>) close(<ffdf>) close(<ff_pointer>): Closing ff files
delete() deleteIfOpen(): Deleting the file behind an ff object
dim(<ff>) dim(<ffdf>) `dim<-`(<ff>) `dim<-`(<ffdf>) dimorder() `dimorder<-`(): Getting and setting dim and dimorder
dimnames(<ff_array>) `dimnames<-`(<ff_array>): Getting and setting dimnames
dimnames(<ffdf>) `dimnames<-`(<ffdf>) names(<ffdf>) `names<-`(<ffdf>) row.names(<ffdf>) `row.names<-`(<ffdf>): Getting and setting dimnames of ffdf
dimorderStandard() vectorStandard() dimorderCompatible() vectorCompatible(): Test for dimorder compatibility
dummy.dimnames(): Array: make dimnames
ff(): ff classes for representing (large) atomic data
ffvecapply() ffrowapply() ffcolapply() ffapply(): Apply for ff objects
ffconform(): Get most conforming argument
ffdf(): ff class for data.frames
ffdfindexget() ffdfindexset(): Reading and writing ffdf data.frame using ff subscripts
dforder() dfsort() ramdforder() ramdfsort() ffdforder() ffdfsort(): Sorting: convenience wrappers for data.frames
ffdrop(): Delete an ffarchive
ffindexget() ffindexset(): Reading and writing ff vectors using ff subscripts
ffindexordersize() ffindexorder(): Sorting: chunked ordering of integer suscript positions
ffinfo(): Inspect content of ff saves
ffload(): Reload ffSaved Datasets
fforder(): Sorting: order from ff vectors
ffreturn(): Return suitable ff object
ffsave() ffsave.image(): Save R and ff objects
ffsort(): Sorting of ff vectors
ffsuitable() ffsuitable_attribs(): Test ff object for suitability
ffxtensions() ffsymmxtensions(): Test for availability of ff extensions
file.resize() file.move(): Change size of move an existing file
filename() `filename<-`() pattern() `pattern<-`(): Get or set filename
finalize(): Call finalizer
finalizer() `finalizer<-`(): Get and set finalizer (name)
fixdiag() `fixdiag<-`(): Test for fixed diagonal
geterror.ff() geterrstr.ff(): Get error and error string
getpagesize() getdefaultpagesize() getalignedpagesize(): Get page size information
get.ff() set.ff() getset.ff(): Reading and writing vectors of values (low-level)
hi() print(<hi>) str(<hi>): Hybrid index class
hiparse(): Hybrid Index, parsing
is.ff(): Test for class ff
is.ffdf(): Test for class ff
is.open(): Test if object is opened
is.readonly(): Get readonly status
is.sorted(<default>) `is.sorted<-`(<default>): Getting and setting 'is.sorted' physical attribute
length(<ff>) `length<-`(<ff>): Getting and setting length
length(<ffdf>): Getting length of a ffdf dataframe
length(<hi>) maxindex(<hi>) poslength(<hi>): Hybrid Index, querying
levels(<ff>) `levels<-`(<ff>) is.factor() is.ordered(): Getting and setting factor levels
matcomb(): Array: make matrix indices from row and columns positions
matprint() print(<matprint>): Print beginning and end of big matrix
maxffmode(): Lossless vmode coercability
maxlength(): Get physical length of an ff or ram object
mismatch() ymismatch(): Test for recycle mismatch
na.count(<ff>) na.count(<default>) `na.count<-`(<ff>) `na.count<-`(<default>): Getting and setting 'na.count' physical attribute
names(<ff>) `names<-`(<ff>) names(<ff_array>) `names<-`(<ff_array>): Getting and setting names
`nrow<-`() `ncol<-`(): Assigning the number of rows or columns
open(<ff>) open(<ffdf>): Opening an ff file
pagesize(): Pagesize of ff object
physical(<ff>) virtual(<ff>) `physical<-`(<ff>) `virtual<-`(<ff>): Getting and setting physical and virtual attributes of ff objects
physical(<ffdf>) virtual(<ffdf>): Getting physical and virtual attributes of ffdf objects
print(<ff>) print(<ff_vector>) print(<ff_matrix>) str(<ff>) str(<ffdf>): Print and str methods
ram2ffcode() ram2ramcode(): Factor codings
ramclass() ramattribs(): Get ramclass and ramattribs
ramorder(<default>) mergeorder(<default>) radixorder(<default>) keyorder(<default>) shellorder(<default>): Sorting: order R vector in-RAM and in-place
ramsort(<default>) mergesort(<default>) radixsort(<default>) keysort(<default>) shellsort(<default>): Sorting: Sort R vector in-RAM and in-place
read.table.ffdf() read.csv.ffdf() read.csv2.ffdf() read.delim.ffdf() read.delim2.ffdf(): Importing csv files into ff data.frames
read.ff() write.ff() readwrite.ff(): Reading and writing vectors (low-level)
regtest.fforder(): Sorting: regression tests
repnam(): Replicate with names
appendLevels() recodeLevels() sortLevels(): Factor level manipulation
splitPathFile() unsplitPathFile() standardPathFile() tempPathFile() fftempfile(): Analyze pathfile-strings
swap(): Reading and writing in one operation (high-level)
symmIndex2vectorIndex(): Array: make vector positions from symmetric array index
symmetric(): Test for symmetric structure
`unclass<-`(): Unclassed assignement
undim(): Undim
unsort() unsort.hi() unsort.ahi() subscript2integer(): Hybrid Index, internal utilities
update(<ff>) update(<ffdf>): Update ff content from another object
vecprint() print(<vecprint>): Print beginning and end of big vector
vector.vmode() boolean() quad() nibble() byte() ubyte() short() ushort(): Create vector of virtual mode
vector2array(): Array: make array from vector
vectorIndex2arrayIndex(): Array: make array from index vector positions
vmode(<ffdf>): Virtual storage mode of ffdf
vmode() `vmode<-`() regtest.vmode(): Virtual storage mode
vt() t(<ff>): Virtual transpose
vw() `vw<-`(): Getting and setting virtual windows
write.table.ffdf() write.csv.ffdf() write.csv2.ffdf() write.csv() write.csv2(): Exporting csv files from ff data.frames