confirm working on ubuntu
diff --git a/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper b/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper
new file mode 100644
index 0000000..6189563
--- /dev/null
+++ b/.Rproj.user/441ADA46/pcs/windowlayoutstate.pper
@@ -0,0 +1,14 @@
+{
+    "left" : {
+        "panelheight" : 789,
+        "splitterpos" : 331,
+        "topwindowstate" : "HIDE",
+        "windowheight" : 828
+    },
+    "right" : {
+        "panelheight" : 789,
+        "splitterpos" : 496,
+        "topwindowstate" : "NORMAL",
+        "windowheight" : 828
+    }
+}
\ No newline at end of file