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gdata (version 2.8.2)

Various R programming tools for data manipulation

Description

Various R programming tools for data manipulation

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Version

Install

install.packages('gdata')

Monthly Downloads

38,307

Version

2.8.2

License

GPL-2

Maintainer

the of this package were written by Gregory R. Warnes

Last Published

June 6th, 2012

Functions in gdata (2.8.2)

drop.levels

Drop unused factor levels
nobs

Compute the Number of Non-missing Observations
installXLSXsupport

Install perl modules needed for read.xls to support Excel 2007+ XLSX format
humanReadable

Print byte size in human readable format
cbindX

Column-bind objects with different number of rows
ll

Describe Objects or Elements
elem

Display Information about Elements in a Given Object
reorder.factor

Reorder the Levels of a Factor
upperTriangle

Extract or replace the upper/lower triangular portion of a matrix
unmatrix

Convert a matrix into a vector, with appropriate names
wideByFactor

Create multivariate data by a given factor
xlsFormats

Check which file formats are supported by read.xls
object.size

Report the Space Allocated for an Object
write.fwf

Write object in fixed width format
.runRUnitTestsGdata

Run RUnit tests for the gdata package
mapLevels

Mapping levels
env

Describe All Loaded Environments
interleave

Interleave Rows of Data Frames or Matrices
nPairs

Number of variable pairs
gdata-package

Various R programming tools for data manipulation
frameApply

Subset analysis on data frames
bindData

Bind two data frames into a multivariate data frame
resample

Consistent Random Samples and Permutations
unknownToNA

Change unknown values to NA and vice versa
trimSum

Trim a vector such that the last/first value represents the sum of trimmed values
combine

Combine R Objects With a Column Labeling the Source
aggregate.table

Create 2-Way Table of Summary Statistics
sheetCount

Count or list sheet names in Excel spreadsheet files.
read.xls

Read Excel files
getYear

Get date/time parts from date and time objects
ConvertMedUnits

Convert medical measurements between International Standard (SI) and US 'Conventional' Units.
is.what

Run Multiple is.* Tests on a Given Object
Args

Describe Function Arguments
trim

Remove leading and trailing spaces from character strings
MedUnits

Table of conversions between Intertional Standard (SI) and US 'Conventional' Units for common medical measurements.
keep

Remove All Objects, Except Those Specified
rename.vars

Remove or rename variables in a dataframe
matchcols

Select columns names matching certain critera