Lag a Numeric, Character, or Factor Vector
Merge Multiple Data Frames or Data Tables
Faciliate Use of save and load to Remote Directories
Indexes of Absolute Prediction Error for Linear Models
Check if All Elements in Character Vector are Numeric
Additive Regression with Optimal Transformations on Both Sides using Canonical Variates
Multiple Imputation using Additive Regression, Bootstrapping, and Predictive Mean Matching
Bivariate Summaries Computed Separately by a Series of Predictors
Confidence Intervals for Binomial Probabilities
Power and Sample Size for Two-Sample Binomial Test
Power of Interaction Test for Exponential Survival
Convert between the 5 different coordinate sytems on a graphical device
Tips for Creating, Modifying, and Checking Data Frames
Representativeness of Observations in a Data Set
Design Effect and Intra-cluster Correlation
Concise Statistical Description of a Vector, Matrix, Data Frame, or Formula
Escapes any characters that would have special meaning in a reqular expression.
Flexible Event Chart for Time-to-Event Data
Produces event.history graph for survival data
Transform Data Frame Into a Compact 'ff' Object
Format a Data Frame or Matrix for LaTeX or HTML
Gaussian Bayesian Posterior and Predictive Distributions
Download and Install Datasets for 'Hmisc', 'rms', and Statistical Modeling
Miscellaneous ggplot2 and grid Helper Functions
Histograms for Variables in a Data Frame
Generic Functions and Methods for Imputation
Label Curves, Make Keys, and Interactively Draw Points and Curves
Convert an S object to LaTeX, and Related Utilities
Enhanced Dot Chart for LaTeX Picture Environment with epic
Convert a Data Frame or Matrix to a LaTeX Tabular
Create LaTeX Thermometers and Colored Needles
Pretty-print the Structure of a Data Object
Apply a Function to Rows of a Matrix or Vector
Methods for Storing and Analyzing Multiple Choice Variables
creates a string that is a repeat of a substring
Read Tables in a Microsoft Access Database
Draw Axes With Side-Specific mgp Parameters
Find Matching (or Non-Matching) Elements
Compute Number of Observations for Left Hand Side of Formula
Box-Percentile Panel Function for Trellis
Plot Precision of Estimate of Pearson Correlation Coefficient
Power and Sample Size for Ordinal Response
prints a list of lists in a visually readable format.
Function to print a matrix with stacked cells
Selectively Print Lines of a Text Vector
Date/Time/Directory Stamp the Current Plot
Generate Multinomial Random Variables with Varying Probabilities
Rank Correlation for Paired Predictors with a Possibly Censored Response, and Integrated Discrimination Index
Re-state Restricted Cubic Spline Function
Enhanced Importing of SAS Transport Files using read.xport
One-Dimensional Scatter Diagram, Spike Histogram, or Density
Character String Editing and Miscellaneous Character Handling Functions
Display Colors, Plotting Symbols, and Symbol Numeric Equivalents
Simulate Power of 2-Sample Test for Survival under Complex Conditions
Source a File from the Current Working Directory
Add a lowess smoother without counfidence bands.
Break a String into Many Lines at Newlines
Embed a new plot within an existing plot
Summarize Scalars or Matrices by Cross-Classification
Summarize Data for Making Tables and Plots
Graphical Summarization of Continuous Variables Against a Response
Summarize Multiple Response Variables and Make Multipanel Scatter or Dot Plot
Graphic Representation of a Frequency Table
function for use in graphs that are used with the psfrag package in LaTeX
Additive Regression and Transformations using ace or avas
Translate Vector or Matrix of Text Strings
return the floor, ceiling, or rounded value of date or time to specified unit.
Update a Data Frame or Cleanup a Data Frame after Importing
Store Discriptive Information About an Object
xyplot and dotplot with Matrix Variables to Plot Error Bars and Bands
Auxiliary Function Method for Sorting and Ranking
Convert a SAS Dataset to an S Data Frame