Random Sample Set of incidents per member of a group

[Ross Walker]

Hi All
I am trying to prduce a random list of incidents (5) per member of a resolver group

Im using Data Sampling Techniques by drjohnchun
so i have a script include

var randomSampleRecords = [];   // this is in rhino.sandbox context in Scripted Filter; otherwise in global

function randomSample(tableName, encodedQuery, sampleSize, fieldName) {

   if (randomSampleRecords.length) return randomSampleRecords;   // in Scripted Filter, force to run only once

   try {

       //var gr = new GlideRecordSecure(tableName);   // enforce ACL; GlideRecordSecure undefined in Scripted Filter in Helsinki

       var isScriptedFilter = !this.GlideRecordSecure;   // use the fact that GlideRecordSecure is undefined in Scripted Filter

       var gr = new GlideRecord(tableName);

       if (!gr.isValid()) throw 'Invalid table name "' + tableName + '".';

       if (!gr.canRead()) throw 'No permission to read from "' + tableName + '".';   // test ACL for table

       fieldName = fieldName || 'sys_id';   // default to sys_id

       if (gr.getElement(fieldName) == null) throw 'Field "' + fieldName + '" not found.';

       if (!(sampleSize > 0)) throw 'Sample size must be a positive integer.';  

       // get population

       if (encodedQuery) gr.addQuery(encodedQuery);

       gr.query();   // to getRowCount()

       var population = gr.getRowCount();

       if (!population || population < sampleSize) throw 'Total number of rows ' + population + ' is less than sample size ' + sampleSize + '.';

       // throw dice and get a random sample

       var offsets = [], records = [];

       while (records.length < sampleSize) {

           var offset = Math.floor(Math.random() * population);   // 0 <= offset < population

           if (indexOf(offsets, offset) >= 0) continue;   // dupe offset, so rethrow dice

           offsets.push(offset);

           if (offsets.length >= population) break;   // tried entire population

           gr.chooseWindow(offset, offset + 1);   // works in global & scoped

           gr.query();

           if (gr.next()) {

               var value = gr.getElement(fieldName).toString();

               if (indexOf(records, value) < 0) records.push(value);

           }

       }

       if (isScriptedFilter) randomSampleRecords = records;   // in Scripted Filter, save randomSampleRecords

       return records;

   }

   catch(e) {

       return 'ERROR: ' + e;   // return error message

   }

   // emulates Array.prototype.indexOf() in older JavaScript

   function indexOf(arr, val) { for (var i = 0; i < arr.length; i++) if (arr[i] == val) return i; return -1; }

}

and i have the randomSample javascript that calls is
if i want it per member of the group the only way i can get it to show the results is running a seperate for each assigned to 
javascript&colon;randomSample('incident','active=false^stateIN6,7^opened_atONLast week@javascript&colon;gs.beginningOfLastWeek()@javascript&colon;gs.endOfLastWeek()^resolved_atONLast week@javascript&colon;gs.beginningOfLastWeek()@javascript&colon;gs.endOfLastWeek()^u_action!=02f061451b7dd410399eea0e6e4bcb27^u_action!=3434c3b61bf16d5099e0315fdc4bcb0d^u_action!=7a5f4256db9cff409a256055ca9619cc^u_action!=18cf4656db9cff409a256055ca96191c^u_action!=3042c73e1bb16d5099e0315fdc4bcb37^assignment_group=b1393c10db46a700a5dacd4d0b961975^assigned_to=30ed1e7bdb01ef40f168e16c0b9619b6', 6,'number')

what i want it to be able to do is run for each member of the assignment group without having to produce a list per person individually 
if i add more than one scripted filter i just get the results from the first one
if i take out the assigned to i just get random 5 from the assignment group
is there any way to combine them so i dont have to do a seperate one for all 37