Display Column Data Comparing With Previous Row In ng-repeat AngularJS

In this Article, I Would Like To Know You About Binding Of List To A Table Using ng-repeat. And Showing The Data In A Table And Showing The Column Data Conditionally Which Is Having Same Category. For This I Had Used $index  To Identify The Same Column Data in HTML Page Like By Comparing The Current Row Column Data With Previous Row Column Data, I Am Hiding The Column Data, If The Data Is Same As Previous Row Data Like Using