Greg's Miscellaneous Functions


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Documentation for package `gdata' version 2.0.6

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aggregate.table Create 2-Way Table of Summary Statistics
Args Formatted Argument List of a Function
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
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
matchcols Select columns names matching certain critera
MedUnits Table of conversions between Intertional Standard (SI) and US 'Conventional' Units for common medical measurements.
nobs Compute the Number of Non-missing Observations
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
trim Remove leading and trailing spaces from character strings
unmatrix Convert a matrix into a vector, with appropriate names