A collection of functions for interpretation and presentation of regression analysis. These functions are used to produce the statistics lectures in <https://pj.freefaculty.org/guides/>. Includes regression diagnostics, regression tables, and plots of interactions and "moderator" variables. The emphasis is on "meancentered" and "residualcentered" predictors. The vignette 'rockchalk' offers a fairly comprehensive overview. The vignette 'Rstyle' has advice about coding in R. The package title 'rockchalk' refers to our school motto, 'Rock Chalk Jayhawk, Go K.U.'.
Package details 


Author  Paul E. Johnson [aut, cre], Gabor Grothendieck [ctb], Dimitri Papadopoulos OrfanosGabor [ctb] 
Maintainer  Paul E. Johnson <pauljohn@ku.edu> 
License  GPL (>= 3.0) 
Version  1.8.157 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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