+ map<string, string> vennsingle;
+ map<string, string> vennshared;
+ map<string, string> treegroup;
+ map<string, string> matrix;
+ map<string, string> heat;
+ map<string, string> boot;
+ map<string, string> distance;
+ map<string, string>::iterator it;
+ set<string> allCalcs;
+