1 files changed, 13 insertions, 0 deletions
diff --git a/report/environment.rb b/report/environment.rb
index 34554f7..7addc45 100755
--- a/report/environment.rb
+++ b/report/environment.rb
@@ -6,6 +6,19 @@ end
 gem 'ruby-plot', "~>0.6.0"
 
 module Reports
+
+  def self.r_util
+    @@r_util = OpenTox::RUtil.new unless defined?@@r_util and @@r_util
+    @@r_util
+  end
+  
+  def self.quit_r
+    if defined?@@r_util and @@r_util
+      @@r_util.quit_r
+      @@r_util = nil
+    end
+  end
+    
 end
 
 require "lib/ot_predictions.rb"