rockchalk-package |
Miscellaneous regression functions |
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 |
combineLevels |
recode a factor by "combining" levels |
cutByQuantile |
Calculates the "center" quantiles, always including the median. |
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. |
genCorrelatedData |
Generates a data frame (x1,x2,y) with user-specified correlation between x1 and x2 |
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. |
getVIF |
Converts the R-square to the variance inflation factor |
lmAuxiliary |
Estimate leave-one-variable-out regressions |
magRange |
magRange Magnify the range of a variable. |
mcDiagnose |
Multi-collinearity diagnostics |
mcGraph1 |
Illustrate the effect of multicollinearity in regression. |
mcGraph2 |
mcGraph2 draws a 3-D representation of a scatterplot with shadows in the x1-x2 plane. |
mcGraph3 |
mcGraph3 draws a 3-dimensional scatter and a regression plane |
meanCenter |
meanCenter |
meanCenter.default |
meanCenter |
model.data |
Creates a "raw" (UNTRANSFORMED) data frame equivalent to the input data that would be required to fit the given model. |
newdata |
Creates the newdata frame required in predict. |
outreg |
outreg |
perspEmpty |
perspEmpty |
plotCurves |
Assists creation of predicted value curves for regression models. |
plotPlane |
Draw a 3-D regression plot for two predictors from any linear or nonlinear lm or glm object |
plotPlane.default |
Draw a 3-D regression plot for two predictors from any linear or nonlinear lm or glm object |
plotSeq |
Create sequences for plotting |
plotSlopes |
Assists creation of predicted value lines for values of a moderator variable. |
predict.rcreg |
Calculates a "residual-centered" interaction regression. |
predictOMatic |
predictOMatic creates predicted values for a fitted regression model. |
print.factorSummaries |
Prints out the contents of an object created by summarizeFactors in the style of base::summary |
religioncrime |
Religious beliefs and crime rates |
residualCenter |
Calculates a "residual-centered" interaction regression. |
residualCenter.default |
Calculates a "residual-centered" interaction regression. |
rockchalk |
Miscellaneous regression functions |
standardize |
Estimate standardized regression coefficients for all variables |
standardize.lm |
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 |
testSlopes |
Hypothesis tests for Simple Slopes Objects |