INDEX
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Args Formatted Argument List of a Function
ConvertMedUnits Convert medical measurements between
International Standard (SI) and US
'Conventional' Units.
MedUnits Table of conversions between Intertional
Standard (SI) and US 'Conventional' Units for
common medical measurements.
aggregate.table Create 2-Way Table of Summary Statistics
c.factor Combine factors, properly handling levels
combine Combine R Objects With a Column Labeling the
Source
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
interleave Interleave Rows of Data Frames or Matrices
is.what Run Multiple is.* Tests on a Given Object
keep Remove All Objects, Except Those Specified
ll Display Information about Objects or Elements
mapLevels Mapping levels
matchcols Select columns names matching certain critera
nobs Compute the Number of Non-missing Observations
read.xls Read Excel files
rename.vars Remove or rename variables in a dataframe
reorder.factor Reorder the Levels of a Factor
resample Consistent Random Samples and Permutations
trim Remove leading and trailing spaces from
character strings
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