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rockchalk (version 1.4)

Regression Estimation and Presentation

Description

A collection of functions for ease of presentation and interpretation of regression analysis. See the outreg function for a way to generate LaTeX tables of regression models and mcGraph for creating 3-dimensional regression plots. The package title "rockchalk" refers to the expression, "Rock Chalk Jayhawk, Go K.U.".

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Version

Install

install.packages('rockchalk')

Monthly Downloads

14,388

Version

1.4

License

GPL (>= 3.0)

Maintainer

Paul Johnson

Last Published

January 24th, 2012

Functions in rockchalk (1.4)

retrieves estimates of the coefficient of determination from a list of regressions

Illustrate the effect of multicollinearity in regression.

Multi-collinearity diagnostics

magRange Magnify the range of a variable.

rockchalk-package

Miscellaneous regression functions

mcGraph2 draws a 3-D representation of a scatterplot with shadows in the x1-x2 plane.

getDeltaRsquare

Calculates the delta R-squares, also known as squared semi-partial correlation coefficients.

Converts the R-square to the variance inflation factor

Draw a 3-D regression plot for two predictors from any linear or nonlinear lm or glm object

Religious beliefs and crime rates

Calculates a "residual-centered" interaction regression.

Central Tendency estimates for variables

Assists creation of predicted value lines for values of a moderator variable.

genCorrelatedData

Generates a data frame (x1,x2,y) with user-specified correlation between x1 and x2

Create sequences for plotting

Estimate leave-one-variable-out regressions

Estimate standardized regression coefficients for all variables

mcGraph3 draws a 3-dimensional scatter and a regression plane