qb = QuantBook()
dataset_symbol = qb.add_data(RegalyticsRegulatoryArticles, "REG").symbol
history = qb.history[RegalyticsRegulatoryArticles](dataset_symbol, datetime(2024, 1, 1), datetime.now(), Resolution.DAILY)
state_mentions_by_date = {}
for articles in history:
state_mentions = 0
for article in articles:
state_mentions += len(list(article.states))
state_mentions_by_date[articles.time] = state_mentions
pd.Series(state_mentions_by_date).plot(figsize=(16, 8))
