addLines                Superimpose regression lines on a plotted plane
centerNumerics          Find numeric columns, center them, re-name
                        them, and join them with the original data.
centralValues           Central Tendency estimates for variables
cheating                Cheating and Looting in Japanese Electoral
                        Politics
checkIntFormat          A way of checking if a string is a valid file
                        name.
checkPosDef             Check a matrix for positive definitness
combineLevels           recode a factor by "combining" levels
cutByQuantile           Calculates the "center" quantiles, always
                        including the median, when n is odd.
cutBySD                 Returns center values of x, the mean,
                        mean-std.dev, mean+std.dev
cutByTable              Select most frequently occurring values from
                        numeric or categorical variables.
focalVals               Create a focal value vector.
formatVC                formatter for merMod objects copied from lme4
genCorrelatedData       Generates a data frame for regression analysis
genCorrelatedData2      Generates a data frame for regression analysis.
getAuxRsq               retrieves estimates of the coefficient of
                        determination from a list of regressions
getDeltaRsquare         Calculates the delta R-squares, also known as
                        squared semi-partial correlation coefficients.
getFocal                Select focal values from an observed variable.
getPartialCor           Calculates partial correlation coefficients
                        after retrieving data matrix froma fitted
                        regression model
getVIF                  Converts the R-square to the variance inflation
                        factor
lazyCor                 Create correlation matrices.
lazyCov                 Create covariance matrix from correlation and
                        standard deviation information
lmAuxiliary             Estimate leave-one-variable-out regressions
magRange                magRange Magnify the range of a variable.
makeSymmetric           Create Symmetric Matrices, possibly covariance
                        or correlation matrices, or check a matrix for
                        symmetry and serviceability.
makeVec                 makeVec for checking or creating vectors
mcDiagnose              Multi-collinearity diagnostics
mcGraph1                Illustrate multicollinearity in regression,
                        part 1.
meanCenter              meanCenter
model.data              Create a "raw" (UNTRANSFORMED) data frame
                        equivalent to the input data that would be
                        required to fit the given model.
model.data.default      Create a data frame suitable for estimating a
                        model
mvrnorm                 Minor revision of mvrnorm (from 'MASS') to
                        facilitate replication
newdata                 Create a newdata frame for usage in predict
                        methods
outreg                  Creates a publication quality result table for
                        regression models. Works with models fitted
                        with lm, glm, as well as lme4.
outreg0                 Creates a publication quality result table for
                        regression models. outreg0 is the last version
                        in the last development stream.
outreg2HTML             Convert LaTeX output from outreg to HTML markup
padW0                   Pad with 0's.
pctable                 Creates a cross tabulation with counts and
                        percentages
perspEmpty              perspEmpty
plot.testSlopes         Plot testSlopes objects
plotCurves              Assists creation of predicted value curves for
                        regression models.
plotFancy               Regression plots with predicted value lines,
                        confidence intervals, color coded interactions
plotPlane               Draw a 3-D regression plot for two predictors
                        from any linear or nonlinear lm or glm object
plotSeq                 Create sequences for plotting
plotSlopes              Generic function for plotting regressions and
                        interaction effects
predictCI               Calculate a predicted value matrix (fit, lwr,
                        upr) for a regression, either lm or glm, on
                        either link or response scale.
predictOMatic           Create predicted values after choosing values
                        of predictors.  Can demonstrate marginal
                        effects of the predictor variables.
print.factorSummaries   Prints out the contents of an object created by
                        summarizeFactors in the style of base::summary
print.pctable           Display pctable objects
print.summary.pctable   print method for summary.pctable objects
religioncrime           Religious beliefs and crime rates
residualCenter          Calculates a "residual-centered" interaction
                        regression.
rockchalk-package       Miscellaneous regression functions
standardize             Estimate standardized regression coefficients
                        for all variables
summarize               Sorts numeric from factor variables and returns
                        separate summaries for those types of
                        variables.
summarizeFactors        Extracts non-numeric variables, calculates
                        summary information, including entropy as a
                        diversity indicator.
summarizeNumerics       Extracts numeric variables and presents an
                        alphabetized summary in a workable format.
summary.factor          Tabulates observed values and calculates
                        entropy
summary.pctable         Extract presentation from a pctable object
testSlopes              Hypothesis tests for Simple Slopes Objects
vech2Corr               Convert the vech (column of strictly lower
                        trianglar values from a matrix) into a
                        correlation matrix.
vech2mat                Convert a half-vector (vech) into a matrix.
