1 files changed, 2 insertions, 0 deletions
diff --git a/NAMESPACE b/NAMESPACE
index f2a0321..18a9ddb 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -60,5 +60,7 @@ export(sim)
 export(spa)
 export(step)
 export(tf)
+import(ggplot2)
+import(tfplot)
 import(tframe)
 importFrom(zoo,na.approx)