| from datetime import datetime, timedelta | |
| import pandas as pd | |
| import vega_datasets | |
| barley = vega_datasets.data.barley() | |
| simple = pd.DataFrame( | |
| { | |
| "a": ["A", "B", "C", "D", "E", "F", "G", "H", "I"], | |
| "b": [28, 55, 43, 91, 81, 53, 19, 87, 52], | |
| "c": [0] * 9, | |
| "date": [datetime.now() - timedelta(days=i) for i in range(9)], | |
| } | |
| ) | |