Re: [R] Path Analysis

el() for model specification. > > (3) If you have the original data set, as you do, it's generally > preferable to use the data argument to sem() than to pass it the covariance > matrix for the observed variables. > > I hope that this helps, > John > > >

[R] Path Analysis

Hello, I have just started to work on a path analysis (see attached image for the diagram), but I have encountered an error message. This is the code I have used: cov_matrix<-var(xdata) library(sem) model.xdata<-specifyModel() x1 -> y2, xy12, NA x2 -> y1, xy21, NA y1 -> y2, yy12, NA y2 -> y