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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>R: Various R programming tools for data manipulation</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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</head><body>
<h1>Various R programming tools for data manipulation <img class="toplogo" src="../../../doc/html/logo.jpg" alt="[R logo]"></h1>

<hr>

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<h2>Documentation for package `gdata' version 2.3.1</h2>

<h2>User Guides and Package Vignettes</h2>
Read <a href="../doc/index.html">overview</a> or browse <a href="../doc">directory</a>.

<h2>Help Pages</h2>


<table width="100%">
<tr><td width="25%"><a href="mapLevels.html">"[.levelsMap"</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">"[.listLevelsMap"</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">.checkLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">.checkListLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="aggregate.table.html">aggregate.table</a></td>
<td>Create 2-Way Table of Summary Statistics</td></tr>
<tr><td width="25%"><a href="Args.html">Args</a></td>
<td>Formatted Argument List of a Function </td></tr>
<tr><td width="25%"><a href="mapLevels.html">as.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">as.listLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="c.factor.html">c.factor</a></td>
<td>Combine factors, properly handling levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">c.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">c.listLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="combine.html">combine</a></td>
<td>Combine R Objects With a Column Labeling the Source</td></tr>
<tr><td width="25%"><a href="ConvertMedUnits.html">ConvertMedUnits</a></td>
<td>Convert medical measurements between International Standard (SI)   and US 'Conventional' Units.</td></tr>
<tr><td width="25%"><a href="drop.levels.html">drop.levels</a></td>
<td>Drop unused factor levels</td></tr>
<tr><td width="25%"><a href="elem.html">elem</a></td>
<td>Display Information about Elements in a Given Object </td></tr>
<tr><td width="25%"><a href="env.html">env</a></td>
<td>Display Information about All Loaded Environments </td></tr>
<tr><td width="25%"><a href="frameApply.html">frameApply</a></td>
<td>Subset analysis on data frames</td></tr>
<tr><td width="25%"><a href="interleave.html">interleave</a></td>
<td>Interleave Rows of Data Frames or Matrices </td></tr>
<tr><td width="25%"><a href="mapLevels.html">is.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">is.listLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="is.what.html">is.what</a></td>
<td>Run Multiple is.* Tests on a Given Object </td></tr>
<tr><td width="25%"><a href="unknown.html">isUnknown</a></td>
<td>Change unknown values to NA and vice versa</td></tr>
<tr><td width="25%"><a href="keep.html">keep</a></td>
<td>Remove All Objects, Except Those Specified </td></tr>
<tr><td width="25%"><a href="ll.html">ll</a></td>
<td>Display Information about Objects or Elements </td></tr>
<tr><td width="25%"><a href="upperTriangle.html">lowerTriangle</a></td>
<td>Extract or replace the upper/lower triangular portion of a matrix</td></tr>
<tr><td width="25%"><a href="mapLevels.html">mapLevels</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="matchcols.html">matchcols</a></td>
<td>Select columns names matching certain critera</td></tr>
<tr><td width="25%"><a href="MedUnits.html">MedUnits</a></td>
<td>Table of conversions between Intertional   Standard (SI) and US 'Conventional' Units for common medical   measurements. </td></tr>
<tr><td width="25%"><a href="unknown.html">NAToUnknown</a></td>
<td>Change unknown values to NA and vice versa</td></tr>
<tr><td width="25%"><a href="nobs.html">nobs</a></td>
<td>Compute the Number of Non-missing Observations </td></tr>
<tr><td width="25%"><a href="mapLevels.html">print.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="mapLevels.html">print.listLevelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="read.xls.html">read.xls</a></td>
<td>Read Excel files</td></tr>
<tr><td width="25%"><a href="rename.vars.html">remove.vars</a></td>
<td>Remove or rename variables in a dataframe </td></tr>
<tr><td width="25%"><a href="rename.vars.html">rename.vars</a></td>
<td>Remove or rename variables in a dataframe </td></tr>
<tr><td width="25%"><a href="reorder.html">reorder.factor</a></td>
<td>Reorder the Levels of a Factor</td></tr>
<tr><td width="25%"><a href="resample.html">resample</a></td>
<td>Consistent Random Samples and Permutations</td></tr>
<tr><td width="25%"><a href="mapLevels.html">sort.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="trim.html">trim</a></td>
<td>Remove leading and trailing spaces from character strings</td></tr>
<tr><td width="25%"><a href="mapLevels.html">unique.levelsMap</a></td>
<td>Mapping levels</td></tr>
<tr><td width="25%"><a href="unknown.html">unknownToNA</a></td>
<td>Change unknown values to NA and vice versa</td></tr>
<tr><td width="25%"><a href="unmatrix.html">unmatrix</a></td>
<td>Convert a matrix into a vector, with appropriate names</td></tr>
<tr><td width="25%"><a href="upperTriangle.html">upperTriangle</a></td>
<td>Extract or replace the upper/lower triangular portion of a matrix</td></tr>
<tr><td width="25%"><a href="write.fwf.html">write.fwf</a></td>
<td>Write object in fixed width format</td></tr>
</table>
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