abs.error.pred Indexes of Absolute Prediction Error for Linear Models all.is.numeric Check if All Elements in Character Vector are Numeric approxExtrap Linear Extrapolation areg Additive Regression with Optimal Transformations on Both Sides using Canonical Variates aregImpute Multiple Imputation using Additive Regression, Bootstrapping, and Predictive Mean Matching binconf Confidence Intervals for Binomial Probabilities biVar Bivariate Summaries Computed Separately by a Series of Predictors bootkm Bootstrap Kaplan-Meier Estimates bpower Power and Sample Size for Two-Sample Binomial Test bpplot Box-percentile plots bystats Statistics by Categories capitalize capitalize the first letter of a string ciapower Power of Interaction Test for Exponential Survival clowess Miscellaneous Functions cnvrt.coords Convert between the 5 different coordinate sytems on a graphical device combine Element Merging contents Metadata for a Data Frame cpower Power of Cox/log-rank Two-Sample Test Cs Character strings from unquoted names csv.get Read Comma-Separated Text Data Files curveRep Representative Curves cut2 Cut a Numeric Variable into Intervals data.frame.create.modify.check Tips for Creating, Modifying, and Checking Data Frames dataRep Representativeness of Observations in a Data Set deff Design Effect and Intra-cluster Correlation describe Concise Statistical Description of a Vector, Matrix, Data Frame, or Formula discrete Discrete Vector tools dotchart2 Enhanced Dot Chart dropUnusedLevels Create Temporary Factor Subsetting Function Ecdf Empirical Cumulative Distribution Plot eip Edit In Place equalBins Multicolumn Formating errbar Plot Error Bars escapeRegex Escapes any characters that would have special meaning in a reqular expression. event.chart Flexible Event Chart for Time-to-Event Data event.convert Event Conversion for Time-to-Event Data event.history Produces event.history graph for survival data find.matches Find Close Matches first.word First Word in a String or Expression format.df Format a Data Frame or Matrix for LaTeX or HTML format.pval Format P Values gbayes Gaussian Bayesian Posterior and Predictive Distributions getHdata Download and Install Datasets for Hmisc, Design, and Statistical Modeling getZip Open a Zip File From a URL. hdquantile Harrell-Davis Distribution-Free Quantile Estimator histbackback Back to Back Histograms hist.data.frame Histograms for Variables in a Data Frame HmiscOverview Overview of Hmisc Library hoeffd Matrix of Hoeffding's D Statistics html Convert an S object to HTML impute Generic Functions and Methods for Imputation inc<- Increment and Decrement labcurve Label Curves, Make Keys, and Interactively Draw Points and Curves label Label Attribute of an Object Lag Lag a Numeric, Character, or Factor Vector latex Convert an S object to LaTeX, and Related Utilities ldBands Group Sequential Boundaries using the Lan-DeMets Approach list.tree Pretty-print the Structure of a Data Object makeNstr creates a string that is a repeat of a substring mApply Apply a Function to Rows of a Matrix or Vector mChoice Methods for Storing and Analyzing Multiple Choice Variables mdb.get Read Tables in a Microsoft Access Database mgp.axis Draw Axes With Side-Specific mgp Parameters mhgr Miscellaneous Functions for Epidemiology minor.tick Minor Tick Marks mtitle Margin Titles na.delete Row-wise Deletion na.action na.detail.response Detailed Response Variable Information na.keep Do-nothing na.action %nin% Find Matching (or Non-Matching) Elements nstr Creates a string of arbitry length panel.bpplot Box-Percentile Panel Function for Trellis partition Patitions an object into different sets pc1 First Principal Component plotCorrPrecision Plot Precision of Estimate of Pearson Correlation Coefficient plsmo Plot smoothed estimates popower Power and Sample Size for Ordinal Response print.char.list prints a list of lists in a visually readable format. print.char.matrix Function to print a matrix with stacked cells prn Print and Object with its Name prselect Selectively Print Lines of a Text Vector ps.slide Postscript and Adobe PDF Setup for 35mm Slides and Other Formats pstamp Date/Time/Directory Stamp the Current Plot rcorr Matrix of Correlations and P-values rcorr.cens Rank Correlation for Censored Data rcorrp.cens Rank Correlation for Paired Predictors with a Possibly Censored Response rcspline.eval Restricted Cubic Spline Design Matrix rcspline.plot Plot Restricted Cubic Spline Function rcspline.restate Re-state Restricted Cubic Spline Function redun Redundancy Analysis reorder.factor Reorder Factor Levels requirePackage require a packge and error if package is not installed reShape Reshape Matrices and Serial Data rlegend Special Version of legend for R rm.boot Bootstrap Repeated Measurements Model rMultinom Generate Multinomial Random Variables with Varying Probabilities samplesize.bin Sample Size for 2-sample Binomial sas.get Convert a SAS Dataset to an S Data Frame sasxport.get Enhanced Importing of SAS Transport Files using read.xport Save Faciliate Use of save and load to Remote Directories scat1d One-Dimensional Scatter Diagram, Spike Histogram, or Density score.binary Score a Series of Binary Variables sedit Character String Editing and Miscellaneous Character Handling Functions show.pch Display Colors, Plotting Symbols, and Symbol Numeric Equivalents simplifyDims List Simplification smean.sd Compute Summary Statistics on a Vector solvet solve Function with tol argument somers2 Somers' Dxy Rank Correlation spower Simulate Power of 2-Sample Test for Survival under Complex Conditions spss.get Enhanced Importing of SPSS Files src Source a File from the Current Working Directory stata.get Enhanced Importing of STATA Files store Store an Object Permanently string.bounding.box Determine Diamentions of Strings string.break.line Break a String into Many Lines at Newlines stringDims String Dimentions subplot Embed a new plot within an existing plot summarize Summarize Scalars or Matrices by Cross-Classification summary.formula Summarize Data for Making Tables and Plots symbol.freq Graphic Representation of a Frequency Table sys Run Unix or Dos Depending on System transace Additive Regression and Transformations using ace or avas transcan Transformations/Imputations using Canonical Variates translate Translate Vector or Matrix of Text Strings trunc.POSIXt return the floor, ceiling, or rounded value of date or time to specified unit. t.test.cluster t-test for Clustered Data units Units Attribute of a Vector upData Update a Data Frame or Cleanup a Data Frame after Importing valueTags Store Discriptive Information About an Object varclus Variable Clustering wtd.mean Weighted Statistical Estimates xtfrm.labelled Auxiliary Function Method for Sorting and Ranking xy.group Mean x vs. function of y in groups of x xYplot xyplot and dotplot with Matrix Variables to Plot Error Bars and Bands yearDays Get Number of Days in Year or Month