return array;},fractional:function(array,key){array=this.standard(array,key);var pos=0;while(pos<array.length){var sum=0;var i=0;for(i=0;array[pos+i+1]&&(array[pos+i][key]===array[pos+i+1][key]);i++){sum+=array[pos+i]['rank'];}
sum+=array[pos+i]['rank'];var endPos=pos+i+1;for(pos;pos<endPos;pos++){array[pos]['rank']=sum/(i+1);}
pos=endPos;}