1 files changed, 4 insertions, 1 deletions
diff --git a/NAMESPACE b/NAMESPACE
index 4e8b9a5..2e5a9bf 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -67,13 +67,16 @@ export(time)
 export(trInfo)
 import(bitops)
 import(ggplot2)
-import(grid)
 import(polynom)
 import(reshape2)
 import(signal)
 import(tframe)
 importFrom(graphics,par)
 importFrom(graphics,plot)
+importFrom(grid,grid.layout)
+importFrom(grid,grid.newpage)
+importFrom(grid,pushViewport)
+importFrom(grid,viewport)
 importFrom(stats,acf)
 importFrom(stats,ar)
 importFrom(stats,arima)