errata

var spanGroupData = [ {"timestamp": 1614585600, "group": [ {"author_id": 0, "token_count": 430}, ]}, {"timestamp": 1651388400, "group": [ {"author_id": 1, "token_count": 26}, ]}, {"timestamp": 1654066800, "group": [ {"author_id": 1, "token_count": 4}, ]}, ]

var spanGroupData = [ {"timestamp": 1651388400, "group": [ {"author_id": 1, "token_count": 280}, ]}, {"timestamp": 1656658800, "group": [ {"author_id": 1, "token_count": 62}, ]}, {"timestamp": 1662015600, "group": [ {"author_id": 1, "token_count": 27}, {"author_id": 2, "token_count": 4}, ]}, ]