examples

var spanGroupData = [ {"timestamp": 1525158000, "group": [ {"author_id": 0, "token_count": 25}, ]}, {"timestamp": 1533106800, "group": [ {"author_id": 0, "token_count": 69}, ]}, {"timestamp": 1541055600, "group": [ {"author_id": 0, "token_count": 263}, ]}, {"timestamp": 1543651200, "group": [ {"author_id": 0, "token_count": 51}, ]}, {"timestamp": 1546329600, "group": [ {"author_id": 0, "token_count": 8}, ]}, {"timestamp": 1551427200, "group": [ {"author_id": 0, "token_count": 96}, ]}, {"timestamp": 1559372400, "group": [ {"author_id": 0, "token_count": 149}, ]}, {"timestamp": 1561964400, "group": [ {"author_id": 0, "token_count": 605}, ]}, {"timestamp": 1564642800, "group": [ {"author_id": 0, "token_count": 120}, ]}, {"timestamp": 1572591600, "group": [ {"author_id": 2, "token_count": 8}, ]}, {"timestamp": 1577865600, "group": [ {"author_id": 4, "token_count": 1}, ]}, {"timestamp": 1614585600, "group": [ {"author_id": 3, "token_count": 2}, ]}, {"timestamp": 1667286000, "group": [ {"author_id": 0, "token_count": 205}, {"author_id": 1, "token_count": 388}, ]}, ]