Various R programming tools for data manipulation


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Documentation for package ‘gdata’ version 2.4.2

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gdata-package Various R programming tools for data manipulation
"[.levelsMap" Mapping levels
"[.listLevelsMap" Mapping levels
.checkLevelsMap Mapping levels
.checkListLevelsMap Mapping levels
aggregate.table Create 2-Way Table of Summary Statistics
Args Formatted Argument List of a Function
as.levelsMap Mapping levels
as.listLevelsMap Mapping levels
c.levelsMap Mapping levels
c.listLevelsMap Mapping levels
combine Combine R Objects With a Column Labeling the Source
ConvertMedUnits Convert medical measurements between International Standard (SI) and US 'Conventional' Units.
drop.levels Drop unused factor levels
elem Display Information about Elements in a Given Object
env Display Information about All Loaded Environments
frameApply Subset analysis on data frames
gdata Various R programming tools for data manipulation
interleave Interleave Rows of Data Frames or Matrices
is.levelsMap Mapping levels
is.listLevelsMap Mapping levels
is.what Run Multiple is.* Tests on a Given Object
isUnknown Change unknown values to NA and vice versa
keep Remove All Objects, Except Those Specified
ll Display Information about Objects or Elements
lowerTriangle Extract or replace the upper/lower triangular portion of a matrix
mapLevels Mapping levels
matchcols Select columns names matching certain critera
MedUnits Table of conversions between Intertional Standard (SI) and US 'Conventional' Units for common medical measurements.
NAToUnknown Change unknown values to NA and vice versa
nobs Compute the Number of Non-missing Observations
print.levelsMap Mapping levels
print.listLevelsMap Mapping levels
read.xls Read Excel files
remove.vars Remove or rename variables in a dataframe
rename.vars Remove or rename variables in a dataframe
reorder.factor Reorder the Levels of a Factor
resample Consistent Random Samples and Permutations
sort.levelsMap Mapping levels
trim Remove leading and trailing spaces from character strings
unique.levelsMap Mapping levels
unknownToNA Change unknown values to NA and vice versa
unmatrix Convert a matrix into a vector, with appropriate names
upperTriangle Extract or replace the upper/lower triangular portion of a matrix
write.fwf Write object in fixed width format
xls2csv Read Excel files