This webpage contains links to software resources that enable you to estimate models of the kind described in Smithson, M. (2012) A simple statistic for comparing moderation of slopes and correlations.
These are variously available in R, Mplus, SAS, and SPSS from this page.
The links in the table below enable you to download files containing instructions, commented code, and data-sets where appropriate.
R files |
Mplus files |
SPSS files |
SAS files |
EVR and moderators with R | EVR and moderators with Mplus | EVR and moderators with SPSS | EVR and moderators with SAS |
Data files |
Data files |
Data and code files |
Data and code files |
eqdat | eqdat.dat | eqdat.sav | EVR_SAScode.txt |
semex | semex.dat | semex.sav | semex_SAScode.txt |
fourdat | fourdat.dat | fourdat.sav | fourgroup_SAScode.txt |
Links to the R code for the simulations in Smithson (2012) may be found here.