gdata-package {gdata}

Various R Programming Tools for Data Manipulation

Description

Various R programming tools for data manipulation, including:

• Medical unit conversions: ConvertMedUnits, MedUnits

• Combining objects: link{bindData}, cbindX, combine, interleave

• Character vector operations: centerText, startsWith, trim

• Factor manipulation: levels, reorder.factor, mapLevels

• Obtaining information about R objects: object_size, env, humanReadable, is.what, ll, keep, ls.funs, Args, nPairs, nobs

• Generating fixed-width format files: write.fwf

• Extracting 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

• Wrapper for sample that ensures consistent behavior for both scalar and vector arguments: resample

Note

browseVignettes() shows package vignettes.

Author(s)

Gregory R. Warnes, Gregor Gorjanc, Arni Magnusson, Liviu Andronic, Jim Rogers, Don MacQueen, and Ales Korosec, with contributions by Ben Bolker, Michael Chirico, Gabor Grothendieck, Thomas Lumley, and Brian Ripley.