| ans | Value of Last Evaluated Expression |
| Args | Describe Function Arguments |
| bindData | Bind two data frames into a multivariate data frame |
| case | Map elements of a vector according to the provided 'cases' |
| cbindX | Column-bind objects with different number of rows |
| centerText | Center Text Strings |
| combine | Combine R Objects With a Column Labeling the Source |
| ConvertMedUnits | Convert medical measurements between International Standard... |
| drop.levels | Drop unused factor levels |
| duplicated2 | Determine Duplicate Elements |
| elem | Display Information about Elements in a Given Object |
| env | Describe All Loaded Environments |
| first | Return first or last element of an object |
| frameApply | Subset analysis on data frames |
| gdata-defunct | Defunct Functions in Package 'gdata' |
| gdata-package | Various R programming tools for data manipulation |
| getDateTimePart | Get date/time parts from date and time objects |
| humanReadable | Print Byte Size in Human Readable Format |
| installXLSXsupport | Install perl modules needed for read.xls to support Excel... |
| 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 |
| left | Return the leftmost or rightmost columns of a matrix or... |
| ll | Describe Objects or Elements |
| ls.funs | List function objects |
| mapLevels | Mapping levels |
| matchcols | Select columns names matching certain critera |
| MedUnits | Table of conversions between Intertional Standard (SI) and US... |
| mv | Rename an Object |
| nobs | Compute the Number of Non-missing Observations |
| nPairs | Number of variable pairs |
| object.size | Report the Space Allocated for Objects |
| read.xls | Read Excel files |
| rename.vars | Remove or rename variables in a dataframe |
| reorder | Reorder the Levels of a Factor |
| resample | Consistent Random Samples and Permutations |
| sheetCount | Count or list sheet names in Excel spreadsheet files. |
| startsWith | Determine if a character string "starts with" with the... |
| trim | Remove leading and trailing spaces from character strings |
| trimSum | Trim a vector such that the last/first value represents the... |
| unknown | Change unknown values to NA and vice versa |
| unmatrix | Convert a matrix into a vector, with appropriate names |
| update.list | Update the elements of a list |
| upperTriangle | Extract or replace the upper/lower triangular portion of a... |
| wideByFactor | Create multivariate data by a given factor |
| write.fwf | Write object in fixed width format |
| xlsFormats | Check which file formats are supported by read.xls |
