Revisions allow you to track differences between multiple versions of your content, and revert back to older versions.
Ideas and example functions that extend OpenMx, encapsulate tedious work, and make scripts easier to write or more compact.
You will probably define helper functions, especially for summarising the output of model you use frequently.
If you have questions not answers, then add those here: That's how a wiki works. Please add material here as you learn...
readLowerTriangle row) next X[row,col]
See also read.moments() in http://cran.r-project.org/web/packages/sem/sem.pdf
read.moments(file = "", diag = TRUE,
names = as.character(paste("X", 1:n, sep = "")))