Lag a Numeric, Character, or Factor Vector
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
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
Create Temporary Factor Subsetting Function
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
Format a Data Frame or Matrix for LaTeX or HTML
Gaussian Bayesian Posterior and Predictive Distributions
Download and Install Datasets for Hmisc, Design, and Statistical Modeling
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
Group Sequential Boundaries using the Lan-DeMets Approach
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
Draw Axes With Side-Specific mgp Parameters
Find Matching (or Non-Matching) Elements
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
Postscript and Adobe PDF Setup for 35mm Slides and Other Formats
Date/Time/Directory Stamp the Current Plot
Generate Multinomial Random Variables with Varying Probabilities
Rank Correlation for Paired Predictors with a Censored Response
Re-state Restricted Cubic Spline Function
require a packge and error if package is not installed
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
Break a string into many lines at carage retruns.
Summarize Scalars or Matrices by Cross-Classification
Summarize Data for Making Tables and Plots
Graphic Representation of a Frequency Table
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
Convert a SAS Dataset to an S Data Frame