My MVC return this JSON
[
{
    "$id":"1",
    "Tags":
        [
            {"$id":"2","Values":
                            [
                                {"$id":"3","Tag":{"$ref":"2"},"ID":4,"TagID":1,"Value1":5.00,"TimeStamp":"2015-10-26T15:23:50","Quality":1,"Tags_ID":1},
                                {"$id":"4","Tag":{"$ref":"2"},"ID":7,"TagID":1,"Value1":4.00,"TimeStamp":"2015-10-26T15:25:50","Quality":2,"Tags_ID":1}
                            ],"Reports":[{"$ref":"1"}],"ID":1,"Name":"0101WT370/WT.VALUE","Type":null,"Archive":null,"Server":null,"Created":null,"Edited":null},
            {"$id":"5","Values":[],"Reports":[{"$ref":"1"}],"ID":2,"Name":"0101WT371/WT.VALUE","Type":null,"Archive":null,"Server":null,"Created":null,"Edited":null},
            {"$id":"6","Values":[],"Reports":[{"$ref":"1"}],"ID":3,"Name":"0101WT395/WT.VALUE","Type":null,"Archive":null,"Server":null,"Created":null,"Edited":null},
            {"$id":"7","Values":[],"Reports":[{"$ref":"1"}],"ID":4,"Name":"0101WT396/WT.VALUE","Type":null,"Archive":null,"Server":null,"Created":null,"Edited":null}
        ],
    "ID":3,"Name":"A"
},
{
    "$id":"8",
    "Tags":[],"ID":4,"Name":"B"
}
]
And i want winth Angular to group values by Timestamp part - hourly, daily or monthly
I want this result example for daily:
Tag | Timestamp | Value |
Tag1| 26-10-2015 | 4.5 = (9/2) = value1+value2 / count
Can you give me any suggestion?
EDIT:
I found this where give me something like way to start from :)
 
    