R/findDefinitionVariables.R

In semtree: Recursive Partitioning for Structural Equation Models

findDefinitionVariables <- function(model) {
  def_vars <- c()
  for (mid in 1:length(model@matrices)) {
    mt <- model@matrices[[mid]]
    idx <- startsWith(mt$labels,"data.")
    if (any(idx,na.rm = TRUE)) {
      idx[is.na(idx)]<-FALSE
      labs <- mt$labels[idx]
      labs <- sapply(labs, function(x){ substr(x,6,nchar(x))})
      def_vars <- c(def_vars, labs)
    }
  }
  
  return(def_vars)
}