ffbase: Basic Statistical Functions for Package 'ff'

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

AuthorEdwin de Jonge, Jan Wijffels, Jan van der Laan
Date of publication2016-03-23 00:29:24
MaintainerEdwin de Jonge <edwindjonge@gmail.com>
LicenseGPL-3
Version0.12.3
http://github.com/edwindj/ffbase

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

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