1 files changed, 1 insertions, 0 deletions
diff --git a/NAMESPACE b/NAMESPACE
index c5528662..ef1ddca5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -91,6 +91,7 @@ importFrom(purrr,map_dfr)
 importFrom(stats,AIC)
 importFrom(stats,BIC)
 importFrom(stats,aggregate)
+importFrom(stats,as.formula)
 importFrom(stats,coef)
 importFrom(stats,coefficients)
 importFrom(stats,cov2cor)