Hmisc v3.0-10


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by Charles Dupont

Harrell Miscellaneous

The Hmisc library contains many functions useful for data analysis, high-level graphics, utility operations, functions for computing sample size and power, importing datasets, imputing missing values, advanced table making, variable clustering, character string manipulation, conversion of S objects to LaTeX code, and recoding variables.

Functions in Hmisc

Name Description
Save Faciliate Use of save and load to Remote Directories
Lag Lag a Numeric, Character, or Factor Vector
Misc Miscellaneous Functions
cpower Power of Cox/log-rank Two-Sample Test Check if All Elements in Character Vector are Numeric
html Convert an S object to HTML
bpower Power and Sample Size for Two-Sample Binomial Test
rcspline.plot Plot Restricted Cubic Spline Function
Overview Overview of Hmisc Library
dataRep Representativeness of Observations in a Data Set
ldBands Group Sequential Boundaries using the Lan-DeMets Approach
abs.error.pred Indexes of Absolute Prediction Error for Linear Models
panel.bpplot Box-Percentile Panel Function for Trellis
dropUnusedLevels Create Temporary Factor Subsetting Function
label Label Attribute of an Object
event.chart Flexible Event Chart for Time-to-Event Data
latex Convert an S object to LaTeX, and Related Utilities
popower Power and Sample Size for Ordinal Response
rMultinom Generate Multinomial Random Variables with Varying Probabilities
histbackback Back to Back Histograms
deff Design Effect and Intra-cluster Correlation
impute Generic Functions and Methods for Imputation
getHdata Download and Install Datasets for Hmisc, Design, and Statistical Modeling
rcspline.eval Restricted Cubic Spline Design Matrix
rm.boot Bootstrap Repeated Measurements Model
mApply Apply a Function to Rows of a Matrix or Vector
errbar Plot Error Bars
show.pch Display Colors, Plotting Symbols, and Symbol Numeric Equivalents
reorder.factor Reorder Factor Levels
rcorr.cens Rank Correlation for Censored Data
print.char.matrix Function to print a matrix with stacked cells
find.matches Find Close Matches
rcorrp.cens Rank Correlation for Paired Predictors with a Censored Response
sedit Character String Editing and Miscellaneous Character Handling Functions
ps.slide Postscript and Adobe PDF Setup for 35mm Slides and Other Formats
aregImpute Multiple Imputation using Additive Regression, Bootstrapping, and Predictive Mean Matching
symbol.freq Graphic Representation of a Frequency Table
spower Simulate Power of 2-Sample Test for Survival under Complex Conditions
pc1 First Principal Component
na.detail.response Detailed Response Variable Information
dotchart2 Enhanced Dot Chart
prnz Print and Object with its Name
approxExtrap Linear Extrapolation
sys Run Unix or Dos Depending on System
score.binary Score a Series of Binary Variables
mgp.axis Draw Axes With Side-Specific mgp Parameters
t.test.cluster t-test for Clustered Data
src Source a File from the Current Working Directory
mtitle Margin Titles
samplesize.bin Sample Size for 2-sample Binomial
contents Metadata for a Data Frame
ecdf Empirical Cumulative Distribution Plot
transace Additive Regression and Transformations using ace or avas
sasxport.get Enhanced Importing of SAS Transport Files using read.xport
somers2 Somers' Dxy Rank Correlation
cnvrt.coords Convert between the 4 different coordinate sytems on a graphical device
summary.formula Summarize Data for Making Tables and Plots
labcurve Label Curves, Make Keys, and Interactively Draw Points and Curves
hdquantile Harrell-Davis Distribution-Free Quantile Estimator Compute Summary Statistics on a Vector
hoeffd Matrix of Hoeffding's D Statistics
minor.tick Minor Tick Marks
translate Translate Vector or Matrix of Text Strings
csv.get Read Comma-Separated Text Data Files
pstamp Date/Time/Directory Stamp the Current Plot
na.keep Do-nothing na.action
na.delete Row-wise Deletion na.action
stata.get Enhanced Importing of STATA Files
plotCorrPrecision Plot Precision of Estimate of Pearson Correlation Coefficient
sas.get Convert a SAS Dataset to an S Data Frame
Cs Character strings from unquoted names
cut2 Cut a Numeric Variable into Intervals
format.df Format a Data Frame or Matrix for LaTeX or HTML
varclus Variable Clustering
describe Concise Statistical Description of a Vector, Matrix, Data Frame, or Formula
data.frame.create.modify.check Tips for Creating, Modifying, and Checking Data Frames
spss.get Enhanced Importing of SPSS Files
rlegend Special Version of legend for R
upData Update a Data Frame or Cleanup a Data Frame after Importing
list.tree Pretty-print the Structure of a Data Object
wtd.mean Weighted Statistical Estimates
plsmo Plot smoothed estimates
%nin% Find Matching (or Non-Matching) Elements
bpplot Box-percentile plots
bootkm Bootstrap Kaplan-Meier Estimates
gbayes Gaussian Bayesian Posterior and Predictive Distributions
event.history Produces event.history graph for survival data
first.word First Word in a String or Expression
subplot Embed a new plot within an existing plot
Hmisc-internal Internal Hmisc functions
binconf Confidence Intervals for Binomial Probabilities Mean x vs. function of y in groups of x
rcspline.restate Re-state Restricted Cubic Spline Function
scat1d One-Dimensional Scatter Diagram, Spike Histogram, or Density
transcan Transformations/Imputations using Canonical Variates
xYplot xyplot and dotplot with Matrix Variables to Plot Error Bars and Bands
reShape Reshape Matrices and Serial Data
bystats Statistics by Categories
ciapower Power of Interaction Test for Exponential Survival
eip Edit In Place Histograms for Variables in a Data Frame
rcorr Matrix of Correlations and Generalized Spearman Rank Correlation
store Store an Object Permanently
solvet solve Function with tol argument
summarize Summarize Scalars or Matrices by Cross-Classification
units Units Attribute of a Vector
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