Added a script to count spoken language usage.

scripts/analytics/mongodb/queries/spokenLanguageUsage.js

@@ -0,0 +1,36 @@
+// Print out spoken language usage based on signed-in user data
+
+// Usage:
+// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
+
+var total = 0;
+var languages = {};
+//var startDate = new ISODate("2014-12-01T00:00:00.000Z");
+var cursor = db['users'].aggregate(
+[ 
+    { $match : {
+        //$and: [{codeLanguage: {$exists: true}}, {created : { $gte: startDate}}]
+        anonymous: false
+    }
+    },
+    { 
+        $group : { 
+            _id: "$preferredLanguage", 
+            total: {$sum: 1} 
+        }
+    },
+    {  $sort : { total : -1} }
+]);
+
+while (cursor.hasNext()) {
+  var myDoc = cursor.next();
+  total += myDoc.total;
+  var lang = myDoc._id || 'en-US';
+  if (!languages[myDoc._id])
+      languages[myDoc._id] = 0
+  languages[myDoc._id] += myDoc.total
+}
+print("Total registered users with spoken languages", total);
+for (key in languages) {
+    print(languages[key] + "\t" + (languages[key] / total * 100).toFixed(2) + "%\t" + key);
+}