data.table: Extension of 'data.frame'

Fast aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast add/modify/delete of columns by group using no copies at all, list columns, friendly and fast character-separated-value read/write. Offers a natural and flexible syntax, for faster development.

Version: 1.12.2
Depends: R (≥ 3.1.0)
Imports: methods
Suggests: bit64, curl, R.utils, knitr, xts, nanotime, zoo
Published: 2019-04-07
Author: Matt Dowle [aut, cre], Arun Srinivasan [aut], Jan Gorecki [ctb], Michael Chirico [ctb], Pasha Stetsenko [ctb], Tom Short [ctb], Steve Lianoglou [ctb], Eduard Antonyan [ctb], Markus Bonsch [ctb], Hugh Parsonage [ctb], Scott Ritchie [ctb], Kun Ren [ctb], Xianying Tan [ctb], Rick Saporta [ctb], Otto Seiskari [ctb], Xianghui Dong [ctb], Michel Lang [ctb], Watal Iwasaki [ctb], Seth Wenchel [ctb], Karl Broman [ctb], Tobias Schmidt [ctb], David Arenburg [ctb], Ethan Smith [ctb], Francois Cocquemas [ctb], Matthieu Gomez [ctb], Philippe Chataignon [ctb], Declan Groves [ctb], Daniel Possenriede [ctb], Felipe Parages [ctb], Denes Toth [ctb], Mus Yaramaz-David [ctb], Ayappan Perumal [ctb], James Sams [ctb], Martin Morgan [ctb], Michael Quinn [ctb], @javrucebo [ctb], @marc-outins [ctb]
Maintainer: Matt Dowle <mattjdowle at gmail.com>
BugReports: https://github.com/Rdatatable/data.table/issues
License: MPL-2.0 | file LICENSE
URL: http://r-datatable.com
NeedsCompilation: yes
Materials: NEWS
In views: Finance, HighPerformanceComputing
CRAN checks: data.table results

Downloads:

Reference manual: data.table.pdf
Vignettes: Benchmarking data.table
Frequently asked questions
Importing data.table
Introduction to data.table
Keys and fast binary search based subset
Reference semantics
Efficient reshaping using data.tables
Secondary indices and auto indexing
Package source: data.table_1.12.2.tar.gz
Windows binaries: r-devel: data.table_1.12.2.zip, r-release: data.table_1.12.2.zip, r-oldrel: data.table_1.12.2.zip
OS X binaries: r-release: data.table_1.12.2.tgz, r-oldrel: data.table_1.12.2.tgz
Old sources: data.table archive

Reverse dependencies:

Reverse depends: Ac3net, AF, batchtools, bea.R, behavr, BuyseTest, cdparcoord, classifierplots, clickstream, corpustools, CoSMoS, cvAUC, damr, dfmeta, drgee, easycsv, EBPRS, edgeRun, EurosarcBayes, gbp, GenomicTools, GenomicTools.fileHandler, GenoScan, glmaag, greport, haploReconstruct, heims, ie2misc, iemisc, JWileymisc, LabourMarketAreas, lookupTable, lori, LSPFP, MGDrivE, miLineage, mrMLM, mrMLM.GUI, multicastR, musica, networkR, openSTARS, orgR, panelaggregation, partools, phenocamapi, pkggraph, PROSPER, qad, QuantTools, Rbitcoin, rblt, reinsureR, riskRegression, Rnets, robCompositions, RSauceLabs, RWildbook, sentometrics, sitreeE, skm, slim, somspace, sparseFLMM, SVN, synthACS, tcpl, TreeLS, ttwa, Tushare, twl, validateRS, VIM, WGScan, word.alignment
Reverse imports: ActivePathways, ActivityIndex, AdhereR, AeRobiology, AFM, AGread, ALA4R, aLFQ, alpaca, AMR, antaresEditObject, antaresProcessing, antaresRead, antaresViz, APSIM, ARTP2, asciiSetupReader, assertable, BaMORC, BatchExperiments, BatchJobs, bayesLife, bdchecks, bdclean, bedr, benford.analysis, bife, bigreadr, biomartr, BIOMASS, bold, bomrang, BootstrapQTL, brainGraph, brandwatchR, bridger2, BTYDplus, bupaR, c14bazAAR, c3, caretEnsemble, casebase, CaseBasedReasoning, CatEncoders, Causata, ccafs, Census2016, cffdrs, cglm, ChannelAttributionApp, chicane, chromer, cleanEHR, cleanerR, CNVScope, CoDiNA, coloc, CompareCausalNetworks, constellation, contextual, CornerstoneR, CorporaCoCo, corregp, creditmodel, crfsuite, CSTools, csvy, ctmm, ctsem, cusum, cvms, D3partitionR, dartR, dat, DataCombine, datadr, DataExplorer, dataPreparation, DataSpaceR, dataview, dblr, DCD, detectRUNS, dfConn, DGM, dgo, Diderot, difconet, DiffNet, discSurv, doremi, DramaAnalysis, droptest, DTAT, dtplyr, DTSg, durmod, dvmisc, E4tools, Eagle, ebirdst, eclust, ecoengine, edarf, edeaR, EdSurvey, eeptools, eiCompare, EIX, electionsBR, EmissV, ensr, enviGCMS, Epi, eplusr, EthSEQ, etm, EventStudy, evoper, expss, FAOSTAT, fastDummies, fastLink, fbRads, fdq, FedData, Fgmutils, fhidata, finch, flextable, flippant, fulltext, funchir, futureheatwaves, fxtract, fy, gasfluxes, gcite, gems, genBart, genderizeR, genomic.autocorr, geomedb, GeoMongo, germinationmetrics, getCRUCLdata, getlandsat, getProxy, getTBinR, GFE, gfer, ggdistribute, ggdmc, ggetho, GGIR, ggperiodic, ggPMX, ggpval, ggTimeSeries, githubinstall, gofastr, googleCloudVisionR, grattan, gridsample, gtfsrouter, gunsales, HaDeX, hagis, happybiRthday, hBayesDM, HCR, healthcareai, heatwaveR, hesim, heuristicsmineR, hisse, Hmisc, hoardeR, hR, HRM, httk, hurricaneexposure, hutils, hutilscpp, hyfo, hypervolume, ICAMS, IDmining, iml, inbreedR, IncDTW, Information, InformationValue, inlmisc, IntClust, inTrees, IOHanalyzer, IPtoCountry, iRF, irg, isdparser, ITGM, ivtools, joinXL, JSmediation, jsmodule, jstable, jsTree, jubilee, JuniperKernel, kangar00, koRpus, lar, ldamatch, leafR, lexicon, LexisNexisTools, lidR, live, livechatR, lllcrc, logiBin, LogisticDx, Luminescence, maditr, mapi, mapr, margins, MarketMatching, mau, MetaComp, MetaIntegrator, MetamapsDB, metaMix, metR, microdemic, mimi, miscset, missCompare, mknapsack, MlBayesOpt, mlr, mlr3misc, mlrMBO, mltools, mmpf, ModelMetrics, MODIStsp, MplusAutomation, mregions, mschart, msmtools, mtconnectR, multdyn, MultiFit, multistateutils, mvQuad, natserv, ndjson, neatRanges, neo4r, neonUtilities, NetLogoR, ngstk, NNS, noaastormevents, nodbi, noncompliance, obliqueRSF, ompr, openEBGM, OpenML, optiRum, optiSel, origami, originr, otvPlots, owdbr, packageRank, PakPMICS2014Ch, PakPMICS2014HH, PakPMICS2014HL, PakPMICS2014Wm, paradox, ParBayesianOptimization, partialAR, partialCI, patternator, pcadapt, PCMBase, pcrsim, PeakSegDisk, pedquant, penaltyLearning, petro.One, PGRdup, phenofit, PhenotypeSimulator, phonics, pingers, pinnacle.API, pinyin, pivottabler, pkgnet, PKPDmisc, pksensi, plethem, plinkQC, plotly, pmpp, pointdensityP, poisFErobust, politeness, polmineR, popEpi, PopGenReport, POUMM, precrec, prediction, PReMiuM, preputils, prioritizr, prisonbrief, processmapR, ProFound, promotionImpact, prrd, PSF, psidR, psychmeta, PTXQC, pubchunks, Publish, qdapTools, QTL.gCIMapping, QTL.gCIMapping.GUI, quanteda, quickPlot, R2DT, r2glmm, rabhit, radlibs, RAM, rAmCharts, randomForestExplainer, randomNames, rangeMapper, RAPIDR, ratios, rBayesianOptimization, rbi, rbi.helpers, rbison, RBMRB, Rborist, rbraries, rbtt, Rcan, RcextTools, RcppGreedySetCover, Rcrawler, rdbnomics, rdfp, Rdice, RDML, rdpla, rdryad, readtext, recorder, RecordLinkage, REDCapR, REIDS, ReinforcementLearning, rENA, REndo, repmis, reproducible, rerddap, restatapi, rfacebookstat, rfisheries, rgbif, rGoodData, rif, Rilostat, rio, rIsing, ritis, rlas, rlist, RLumShiny, rmcfs, RndTexExams, RNewsflow, Rnightlights, rnpn, Robocoap, rODE, rolypoly, rorcid, rPackedBar, rprev, rpubchem, rqdatatable, rsnps, rSPARCS, rsparse, rsunlight, rtimes, rtsdata, RWDataPlyr, RxnSim, ryandexdirect, RZooRoH, SafeQuant, salesforcer, sbpiper, scidb, scopr, scorecard, scraEP, sdcHierarchies, sdcMicro, sdcTable, SDLfilter, SEA, segregation, selac, SELF, sensobol, sentimentr, servosphereR, SetRank, SGP, SGPdata, ShinyItemAnalysis, shinylogs, sigminer, simcausal, simPH, simstudy, SIRItoGTFS, sitree, skynet, sleepr, SmartEDA, socialmixr, solarius, solitude, spacyr, SpaDES.core, SpaDES.tools, SpATS, spatsoc, speaq, spectralAnalysis, spellcheckr, splitstackshape, spocc, sport, squid, sstModel, staRdom, starmie, statar, StatMeasures, stdReg, steemr, stm, strataG, strvalidator, stUPscales, subscreen, suncalc, superml, surveyplanning, surveysd, survMisc, SWMPr, table.express, tableMatrix, takos, taskscheduleR, tatoo, taxize, taxonomizr, TCA, tcR, tdsc, teachingApps, TeXCheckR, text2vec, textclean, textrank, textreadr, textshape, textTinyR, TideCurves, TideTables, tidytransit, timeseriesdb, tosca, totalcensus, TrafficBDE, traitdataform, traits, tree.bins, treemap, tRophicPosition, trread, tsbox, TSstudio, tstools, TSTr, TwoRegression, uavRmp, udpipe, ukbtools, UKgrid, uptasticsearch, utilsIPEA, vardpoor, vein, viewshed3d, vortexR, vosonSML, votesys, wally, waveformlidar, wikitaxa, wilson, winRatioAnalysis, worrms, wTO, xesreadR, xgb2sql, xgboost, xROI, zeitgebr
Reverse suggests: assertive.types, auk, bayesTFR, BEDMatrix, BGData, bigQueryR, bikeshare14, bysykkel, catcont, checkmate, dang, dataCompareR, datapackage.r, datarobot, DeclareDesign, DGVM3D, epanetReader, extdplyr, fabricatr, fst, ggswissmaps, googleVis, gustave, h2o, iemiscdata, inplace, installr, itsadug, ivmte, KRIG, Lahman, lava, lavaSearch2, leiden, lfe, lgr, LocalControl, miceFast, microsamplingDesign, milr, multinets, namedCapture, nanotime, NEArender, padr, pander, parallelMap, PCRedux, PeakSegOptimal, pmml, PP, ProjectTemplate, propr, pxweb, R.SamBada, Rblpapi, rbokeh, rdhs, rdwd, rpivotTable, rreg, rstanarm, rtop, RTransferEntropy, ruimtehol, seleniumPipes, Sojourn, stabm, sticky, taRifx, tidyimpute, tidytext, tsdb, TSrepr, unifed, vaersNDvax, vaersvax, vtreat, wpp2017, wpp2019, Xmisc
Reverse enhances: dendextend, repr

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