ffbase: Basic Statistical Functions for Package 'ff'

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Extends the out of memory vectors of 'ff' with statistical functions and other utilities to ease their usage.

Author
Edwin de Jonge, Jan Wijffels, Jan van der Laan
Date of publication
2016-03-23 00:29:24
Maintainer
Edwin de Jonge <edwindjonge@gmail.com>
License
GPL-3
Version
0.12.3
URLs

View on CRAN

Man pages

all.ff
Summary methods for ff objects
any.ff
Summary methods for ff objects
as.character.ff
Character Vectors
as.Date.ff_vector
Date Conversion Functions for 'ff' vector
as.ffdf.ffdf
Trivial implementation, but very handy
as.ram.ffdf
As ram for an ffdf to get your ffdf as a data frame in RAM
bigglm.ffdf
Bounded memory linear regression
binned_sum
Fast summing in different bins
binned_sumsq
Fast squared summing in different bins
binned_tabulate
Fast tabulating in different bins
byMean
Fast conditional mean
bySum
Fast conditional sum
c.ff
Concatenate 'ff' vectors
chunkexpr
Chunk an expression
chunkify
Chunkify an element-wise function
compact
Compact a ff vector or ffdf data frame
condMean
Fast conditional mean
condSum
Fast conditional sum
cumsum.ff
Cumulative Sums, Products, and Extremes
cut.ff
Convert Numeric ff vector to factor ff
diff.ff
Lagged Differences
droplevels.ff
The function 'droplevels' is used to drop unused levels from...
droplevels.ffdf
The function 'droplevels' is used to drop unused levels from...
duplicated.ff
Duplicated for ff and ffdf objects
expand.ffgrid
Create a 'ffdf' from All Combinations of Factors
ffappend
Append a ff vector to another ff vector
ff_arithmetic
Arithmetic Operators for ff vectors
ffbase-package
Basic statistical functions for ff
ffdfappend
Append a dataframe or an 'ffdf' to another 'ffdf'
ffdfdply
Performs a split-apply-combine on an ffdf
ffdfrbind.fill
rbind for ffdf where missing columns are added if not...
ffdfwith
Evaluate an expression in a ffdf data environment
ffextract
Reading and writing vectors extended to handle logical 'ff'...
ffextractffdf
Reading and writing data.frames (ffdf)
ffifelse
Conditional Element Selection for 'ff' vectors.
ffmatch
Value Matching for ff objects
ff_math
Math for ff vectors
ff_ops
Ops for ff vectors
ffordered
Add the order of a ff vector of the 'ff' vector 'x'
ffrandom
Generate 'ff' vector with draws from distribution
ffrep.int
Replicate Elements of 'ff' vectors.
ffseq
Sequence Generation of 'ff' vectors.
ffseq_len
Sequence Generation of 'ff' vectors.
ffwhich
Create an index from a filter statement
format.ff_vector
Date Conversion Functions for 'ff' vector
grouprunningcumsum
Groups the input integer vector into several groups if the...
hist2d.ff
compute and plot 2 dimensional histogram of ff data
hist.ff
hist for ff vectors
ikey
Creates a unique integer key for unique combinations of rows...
is.na.ff
'Not Available' / Missing Values for ff vectors
laf_to_ffdf
Use LaF to import data into 'ffdf' data.frame
load.ffdf
Loads ffdf data.frames from a directory
mean.ff
Mean of ff vector
merge.ffdf
Merge two ffdf by common columns, or do other versions of...
min.ff
Minimum, maximum and range of ff vector
move.ffdf
Moves all the columns of ffdf data.frames into a directory
pack.ffdf
Packs ffdf data.frames into a compressed file
pkg-deprecated
Save a ffdf data.frame in directory
quantile.ff
quantiles
rle_ff
Compute the lengths and values of runs of equal values in a...
save.ffdf
Save ffdf data.frames in a directory
set_ffbase_logging
sets the logging of ffbase
subset.ff
Subsetting a ff vector or ffdfdata frame
sum.ff
Sum of 'ff' vector Elements
table
Cross Tabulation and Table Creation
tabulate.ff
Tabulation for ff vectors
transform.ffdf
Transform a ffdf data.frame
unique.ff
Unique values for ff and ffdf objects
unpack.ffdf
Unpacks previously stored ffdf data.frame into a directory
with.ffdf
Evaluate an expression in a ffdf data environment
within.ffdf
Evaluate an expression in a ffdf data environment

Files in this package

ffbase
ffbase/tests
ffbase/tests/testthat.R
ffbase/tests/testthat
ffbase/tests/testthat/testwithin.R
ffbase/tests/testthat/testseq.R
ffbase/tests/testthat/testwith.R
ffbase/tests/testthat/testffwhich.R
ffbase/tests/testthat/testffdfplyr.R
ffbase/tests/testthat/testrange_ff.R
ffbase/tests/testthat/testduplicated.R
ffbase/tests/testthat/testlaf.R
ffbase/tests/testthat/testtransform.R
ffbase/tests/testthat/testsave_ffdf.R
ffbase/tests/testthat/testdroplevels.R
ffbase/tests/testthat/testffmatch.R
ffbase/tests/testthat/testSummary.R
ffbase/tests/testthat/testffappend.R
ffbase/tests/testthat/testffranfrom.R
ffbase/tests/testthat/testrisplit.R
ffbase/tests/testthat/testtabulate_ff.R
ffbase/tests/testthat/testsum_ff.R
ffbase/tests/testthat/testcumsum.R
ffbase/tests/testthat/testunique.R
ffbase/tests/testthat/testmean.ff.R
ffbase/tests/testthat/testffifelse.R
ffbase/tests/testthat/testmin.ff.R
ffbase/tests/testthat/testtable_ff.R
ffbase/tests/testthat/testsops.R
ffbase/tests/testthat/testrle_ff.R
ffbase/tests/testthat/testmerge.R
ffbase/tests/testthat/testisna.R
ffbase/tests/testthat/testsubset.R
ffbase/tests/testthat/testextract.R
ffbase/tests/testthat/testchunkify.R
ffbase/tests/testthat/testikey.R
ffbase/tests/testthat/testcut_ff.R
ffbase/src
ffbase/src/bySumsq.c
ffbase/src/binned_sum.c
ffbase/src/grouprunningcumsumindex.c
ffbase/src/binned_sumsq.c
ffbase/src/grouprunningcumsum.c
ffbase/src/binned_tabulate.c
ffbase/src/bySum.c
ffbase/NAMESPACE
ffbase/NEWS
ffbase/R
ffbase/R/ffordered.R
ffbase/R/rbind_ffdf.R
ffbase/R/binned_sum.R
ffbase/R/byMean.R
ffbase/R/duplicated.R
ffbase/R/subset.R
ffbase/R/Summary_ff.R
ffbase/R/ffwhich.R
ffbase/R/laf_to_ffdf.R
ffbase/R/tsum.R
ffbase/R/save_ffdf.R
ffbase/R/rle_ff.R
ffbase/R/pkg.R
ffbase/R/cut_ff.R
ffbase/R/ffdfsave.R
ffbase/R/auxilary.R
ffbase/R/as.R
ffbase/R/rev_ff.R
ffbase/R/tabulate_ff.R
ffbase/R/logging.R
ffbase/R/ffseq.R
ffbase/R/diff_ff.R
ffbase/R/quantile_ff.R
ffbase/R/binned_sumsq.R
ffbase/R/ffdfwith.R
ffbase/R/ffappend.R
ffbase/R/expand_ffgrid.R
ffbase/R/unique.R
ffbase/R/hist_ff.R
ffbase/R/chunkify.R
ffbase/R/ffifelse.R
ffbase/R/ffdfdply.R
ffbase/R/ffrandom.R
ffbase/R/with.R
ffbase/R/table_ff.R
ffbase/R/compact.R
ffbase/R/extract.R
ffbase/R/isNA.R
ffbase/R/transform.R
ffbase/R/merge.R
ffbase/R/bigglm.R
ffbase/R/ikey.R
ffbase/R/droplevels.R
ffbase/R/bySum.R
ffbase/R/Ops.R
ffbase/R/hist2d.R
ffbase/R/cumsum.R
ffbase/R/ffmatch.R
ffbase/R/ffrep.R
ffbase/R/binned_tabulate.R
ffbase/R/zzz.R
ffbase/R/date_formatting.R
ffbase/R/mean.R
ffbase/MD5
ffbase/DESCRIPTION
ffbase/man
ffbase/man/ffdfrbind.fill.Rd
ffbase/man/binned_sumsq.Rd
ffbase/man/save.ffdf.Rd
ffbase/man/pack.ffdf.Rd
ffbase/man/ff_arithmetic.Rd
ffbase/man/ffrandom.Rd
ffbase/man/subset.ff.Rd
ffbase/man/sum.ff.Rd
ffbase/man/duplicated.ff.Rd
ffbase/man/table.Rd
ffbase/man/move.ffdf.Rd
ffbase/man/ffifelse.Rd
ffbase/man/as.ffdf.ffdf.Rd
ffbase/man/tabulate.ff.Rd
ffbase/man/bigglm.ffdf.Rd
ffbase/man/ffbase-package.Rd
ffbase/man/quantile.ff.Rd
ffbase/man/byMean.Rd
ffbase/man/with.ffdf.Rd
ffbase/man/compact.Rd
ffbase/man/as.ram.ffdf.Rd
ffbase/man/ffseq_len.Rd
ffbase/man/ffappend.Rd
ffbase/man/condSum.Rd
ffbase/man/chunkexpr.Rd
ffbase/man/set_ffbase_logging.Rd
ffbase/man/as.character.ff.Rd
ffbase/man/hist.ff.Rd
ffbase/man/bySum.Rd
ffbase/man/all.ff.Rd
ffbase/man/grouprunningcumsum.Rd
ffbase/man/min.ff.Rd
ffbase/man/hist2d.ff.Rd
ffbase/man/c.ff.Rd
ffbase/man/within.ffdf.Rd
ffbase/man/load.ffdf.Rd
ffbase/man/unique.ff.Rd
ffbase/man/ffseq.Rd
ffbase/man/cut.ff.Rd
ffbase/man/pkg-deprecated.Rd
ffbase/man/ffdfdply.Rd
ffbase/man/ffordered.Rd
ffbase/man/as.Date.ff_vector.Rd
ffbase/man/binned_sum.Rd
ffbase/man/mean.ff.Rd
ffbase/man/droplevels.ff.Rd
ffbase/man/condMean.Rd
ffbase/man/ffdfappend.Rd
ffbase/man/cumsum.ff.Rd
ffbase/man/format.ff_vector.Rd
ffbase/man/transform.ffdf.Rd
ffbase/man/ffrep.int.Rd
ffbase/man/ffdfwith.Rd
ffbase/man/expand.ffgrid.Rd
ffbase/man/unpack.ffdf.Rd
ffbase/man/is.na.ff.Rd
ffbase/man/ffextractffdf.Rd
ffbase/man/ff_ops.Rd
ffbase/man/ffextract.Rd
ffbase/man/any.ff.Rd
ffbase/man/droplevels.ffdf.Rd
ffbase/man/binned_tabulate.Rd
ffbase/man/ffmatch.Rd
ffbase/man/ikey.Rd
ffbase/man/ffwhich.Rd
ffbase/man/merge.ffdf.Rd
ffbase/man/chunkify.Rd
ffbase/man/laf_to_ffdf.Rd
ffbase/man/diff.ff.Rd
ffbase/man/rle_ff.Rd
ffbase/man/ff_math.Rd