gdata: Various R Programming Tools for Data Manipulation

Various R programming tools for data manipulation, including: - medical unit conversions ('ConvertMedUnits', 'MedUnits'), - combining objects ('bindData', 'cbindX', 'combine', 'interleave'), - character vector operations ('centerText', 'startsWith', 'trim'), - factor manipulation ('levels', 'reorder.factor', 'mapLevels'), - obtaining information about R objects ('object.size', 'elem', 'env', 'humanReadable', 'is.what', 'll', 'keep', 'ls.funs', 'Args','nPairs', 'nobs'), - manipulating MS-Excel formatted files ('read.xls', 'installXLSXsupport', 'sheetCount', 'xlsFormats'), - generating fixed-width format files ('write.fwf'), - extricating components of date & time objects ('getYear', 'getMonth', 'getDay', 'getHour', 'getMin', 'getSec'), - operations on columns of data frames ('matchcols', 'rename.vars'), - matrix operations ('unmatrix', 'upperTriangle', 'lowerTriangle'), - operations on vectors ('case', 'unknownToNA', 'duplicated2', 'trimSum'), - operations on data frames ('frameApply', 'wideByFactor'), - value of last evaluated expression ('ans'), and - wrapper for 'sample' that ensures consistent behavior for both scalar and vector arguments ('resample').

Version: 2.18.0
Depends: R (≥ 2.3.0)
Imports: gtools, stats, methods, utils
Suggests: RUnit
Published: 2017-06-06
Author: Gregory R. Warnes, Ben Bolker, Gregor Gorjanc, Gabor Grothendieck, Ales Korosec, Thomas Lumley, Don MacQueen, Arni Magnusson, Jim Rogers, and others
Maintainer: Gregory R. Warnes <greg at>
License: GPL-2
NeedsCompilation: no
SystemRequirements: perl (>= 5.10.0)
Materials: NEWS ChangeLog INSTALL
CRAN checks: gdata results


Reference manual: gdata.pdf
Vignettes: Mapping levels of a factor
Working with Unknown Values
Package source: gdata_2.18.0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X El Capitan binaries: r-release: gdata_2.18.0.tgz
OS X Mavericks binaries: r-oldrel: gdata_2.18.0.tgz
Old sources: gdata archive

Reverse dependencies:

Reverse depends: cccrm, cgmanalysis, chromoR, compareGroups, genetics, iCluster, ImportExport, LeLogicielR, MixedDataImpute, mixexp, NanoStringNorm, nCal, nonparaeff, pSI, REREFACT, rsurfer, TRSbook, weights
Reverse imports: adapr, BioGeoBEARS, CADStat, comato, COMBIA, dalmatian, DAMisc, deGradInfer, Dominance, drLumi, Ecfun, elementR, enaR, ENiRG, gmodels, gplots, likeLTD, lmms, LOST, mglR, MIPHENO, NetComp, Plasmidprofiler, polySegratio, powerbydesign, qat, qdap, QTLRel, rAvis, RKEEL, rtematres, Seurat, simSummary, sisus, sperrorest, TSmisc, vardpoor, wux
Reverse suggests: bst, data.table, HistogramTools, httk, ipdw, kernscr, MetaQC, MonetDBLite, mpath, nmfgpu4R, plotMCMC, poliscidata, popReconstruct, primer, ProjectTemplate, rattle, rfigshare, scape, SII, SMIR, solarius, sorvi, taRifx,, umx


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