From 4cac887278e7d868bb3c8806eadc49c172434669 Mon Sep 17 00:00:00 2001
From: ecmerkle <merklee@missouri.edu>
Date: Mon, 25 Mar 2024 12:58:58 -0500
Subject: [PATCH] ensure a group column exists in the partable

---
 DESCRIPTION | 2 +-
 R/blavaan.R | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/DESCRIPTION b/DESCRIPTION
index c960ed42..3cd0c700 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: blavaan
 Title: Bayesian Latent Variable Analysis
-Version: 0.5-3.1249
+Version: 0.5-3.1251
 Authors@R: c(person(given = "Edgar", family = "Merkle",
                     role = c("aut", "cre"),
                     email = "merklee@missouri.edu",
diff --git a/R/blavaan.R b/R/blavaan.R
index 59ed1a19..672bebea 100644
--- a/R/blavaan.R
+++ b/R/blavaan.R
@@ -402,7 +402,10 @@ blavaan <- function(...,  # default lavaan arguments
                      LAV@ParTable$rhs %in% LAV@ParTable$plabel[cov.pars]) &
                      LAV@ParTable$op == "=="))
     if(con.cov) LAV@Options$auto.cov.lv.x <- FALSE
-    
+
+    # ensure group is in the parTable
+    if(!("group" %in% names(LAV@ParTable))) LAV@ParTable$group <- rep(1L, length(LAV@ParTable$lhs))
+  
     # if std.lv, truncate the prior of each lv's first loading
     loadpt <- LAV@ParTable$op == "=~"
     lvs <- unique(LAV@ParTable$lhs[loadpt])