metaSEM objects into semPlotModel objects for plottingwls into objects of class semPlotModel.meta2semPlot(object, manNames = NULL, latNames = NULL, labels = c("labels", "RAM"), ...)wls returned from wls()
or tssem2().object if it is not given.labels (default if missing) or
RAM. If labels, the labels of the parameters are used
in plotting. If RAM, the RAM notations are used in plotting.ramModelramModel() to do the conversion.ramModel,
Becker92, Becker09,
Digman97, Hunter83