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zoo

S3 Infrastructure for Regular and Irregular Time Series (Z's Ordered Observations)

v1.8-15 · Dec 15, 2025 · GPL-2 | GPL-3

Description

An S3 class with methods for totally ordered indexed observations. It is particularly aimed at irregular time series of numeric vectors/matrices and factors. zoo's key design goals are independence of a particular index/date/time class and consistency with ts and base R by providing methods to extend standard generics.

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CRAN Check Status

14 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Additional Issues

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (548)

imports

ACDm AFR AGHmatrix ARDL ATQ ActCR AeRobiology AquaBEHER Athlytics BETS BGVAR BLSloadR BatchGetSymbols BigVAR BreakPoints CAST CSIndicators CSMES CalcThemAll.PRM CalibrationCurves CausalImpact CohortPlat Coinprofile ConnectednessApproach ConversationAlign DChaos DESA DatastreamDSWS2R DepthProc DisaggregateTS DynForest EBASE Epi EpiReport EviewsR FDboost FlowRegEnvCost GGIR GLmom GSSE GWSDAT HYPEtools HyMETT ICSKAT ICtest IndexConstruction KarsTS LTASR MBNMAtime MJMbamlss MSGARCH MarketMatching MethodOpt MetricGraph MissingHandle MuPETFlow MultiGrey MultivariateTrendAnalysis NNS OtsuSeg PCRA PCRedux PERK PMwR PPMiss PRISM.forecast PWEV PerformanceAnalytics PheVis PortalHacienda PortfolioTesteR PupilPre PupillometryR R2Addhaz REffectivePred RGAP RPEIF RPESE RQuantLib RTL RWDataPlyr RavenR RcamelsCL RcmdrPlugin.RiskDemo Rmfrac SEI SPEI SPIChanges SPLICE SSplots SVDNF SWTools SeaSondeR SharpeR ShellChron SherlockHolmes SmartMeterAnalytics Sojourn StackImpute StockDistFit StormR SurvMI TCIU TSdisaggregation TSstudio TTAinterfaceTrendAnalysis TTR TeXCheckR ThomasJeffersonUniv TrafficBDE TrenchR TrueWAP UKgrid URooTab VisitorCounts WARDEN WASP WaterBalanceR Wats YEAB acc acss activAnalyzer admiralpeds agcounts akiFlagger anomaly argo asciiSetupReader bayesforecast bbdetection bfast blsBandit brms.mmrm cats cgmanalysis changepoint.np chronicle climatehealth climetrics clinify cohorts compIndexBuilder conformalForecast contTimeCausal convergenceDFM covatest creditr cry cryptoQuotes dataprep dccmidas degday dendRoAnalyst descstatsr descsuppRplots deseats diemr digiRhythm disclosuR dispRity distantia doremi dsa duet dygraphs dynatop dynmix edeaR epe4md eph epiR ern estar evalHTE eyeris eyetools eyetrackingR fDMA fEGarch facmodCS facmodTS fluxfixer fluxible foreSIGHT forecast forecastHybrid forecasteR fruclimadapt garma gcxgclab gdpc geodiv ggPMX ggpp ggquickeda globaltrends gluvarpro greybox grwat gstar gstat gunsales hahmmr harbinger highcharter highfrequency historicalborrowlong hpiR hydroMOPSO hydroState hydrotoolbox hyfo iAR iClick iForecast ifpd iglu imputeFin imputeTestbench inegiR influxdbr intradayModel jubilee kehra kofdata kollaR kssa lcyanalysis ldhmm legion lessR lfstat locuszoomr longitudinalcascade mMARCH.AC mappoly marcher memoria mfGARCH midasr mixchar mlogit mmaqshiny morse morseTKTD movementsync movieROC mudfold multiROC multifamm multilevelTools mvLSWimpute mvMonitoring myClim nanotime nixmass nonlinearTseries nortsTest nparACT npcure nphPower numbat oRaklE obAnalytics odeGUTS oncmap party pcts pdfetch pedquant phase phenocamr phenofit phenopix photobiology plm plotthis pmev portalr portfolioBacktest postGGIR praatpicture pressuRe qrmtools quantspec r2dii.analysis rAmCharts rangr rasterVis rbioacc rechaRge reddPrec rmgarch rmsfuns rnrfa robustGarch robustbetareg rportfolio rts rugarch rumidas runcharter sGMRFmix sandwich sazedR scDIFtest seasonalityPlot seasonalview seastests sectorgap segclust2d semtree sfc shrinkTVP shrinkTVPVAR sirad sisireg skytrackr smooth smoothy smplot2 soundClass soundgen spacetime ssaBSS stCEG staRdom starvars starvz statcomp stocks svars sysid syuzhet tableone tagtools taxize tbl2xts tectonicr telemetR testcorr tf tfarima tibbletime tidychangepoint tidyextreme tidyquant tigerhitteR timetk trackeRapp trajectories tripEstimation tsBSS tsaux tscopula tsdb tsensembler tseries tseriesTARMA tsgarch tsgc tsissm tsmarch tsmethods tsrobprep tssim tswge uavRmp valdrViz vcrpart voice wevid whep whippr wql x3ptools yfR yrnd

linking_to

xts

Dependency Network

Dependencies Reverse dependencies lattice AER EloRating EnvCpt Evapotranspiration FFdownload FinTS GCEstim GroupBN HEDA IBrokers Modalclust NitrogenUptake2016 PortfolioAnalytics RJSDMX RcmdrPlugin.temis +533 more reverse deps zoo

Version History

new 1.8-15 Mar 10, 2026
updated 1.8-15 ← 1.8-14 diff Dec 14, 2025
updated 1.8-14 ← 1.8-13 diff Apr 9, 2025
updated 1.8-13 ← 1.8-12 diff Feb 21, 2025
updated 1.8-12 ← 1.8-11 diff Apr 12, 2023
updated 1.8-11 ← 1.8-10 diff Sep 16, 2022
updated 1.8-10 ← 1.8-9 diff Apr 14, 2022
updated 1.8-9 ← 1.8-8 diff Mar 8, 2021
updated 1.8-8 ← 1.8-7 diff May 1, 2020
updated 1.8-7 ← 1.8-6 diff Jan 9, 2020
updated 1.8-6 ← 1.8-5 diff May 27, 2019
updated 1.8-5 ← 1.8-4 diff Mar 20, 2019
updated 1.8-4 ← 1.8-3 diff Sep 18, 2018
updated 1.8-3 ← 1.8-2 diff Jul 15, 2018
updated 1.8-2 ← 1.8-1 diff Jun 10, 2018
updated 1.8-1 ← 1.8-0 diff Jan 7, 2018
updated 1.8-0 ← 1.7-14 diff Apr 12, 2017
updated 1.7-14 ← 1.7-13 diff Dec 18, 2016
updated 1.7-13 ← 1.7-12 diff May 2, 2016
updated 1.7-12 ← 1.7-11 diff Mar 15, 2015