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Sometimes you have a structural model with standardized pathcoefficients, structural coefficients, and correlations, but you do notknow the error and disturbance variances. The purpose ofsimstandardis to calculate these variances and then simulate multivariate normaldata based on your model.

You can either install simstandard from CRAN or install the developmentversion of simstandard from github.

You can install simstandard from CRAN by running this code:

install.packages("simstandard")

To install the development version of simstandard, you need to check ifthe remotes packages is installed. If not, run this:

install.packages("remotes")

Once you are sure you have the remotes package installed, you caninstall the development version of simstandard from GitHub by runningthis code:

remotes::install_github("wjschne/simstandard")

Thesimstandard package useslavaansyntax to specifymodels.

library(simstandard)model<-"A =~ 0.5 * A1 + 0.8 * A2B =~ 0.6 * B1 + 0.7 * B2B ~ 0.8 * AC ~~ 0.5 * A"data<- sim_standardized(m=model,n=500)knitr::kable(head(data),digits=2)

See more in thetutorial for thispackage.