preloaded fixtures

import pandas as pd

clicks = pd.DataFrame({
    "user_id": [1, 1, 2, 2, 3, 4],
    "campaign": ["spring", "summer", "spring", "spring", "summer", "spring"],
    "clicked_at": pd.to_datetime([
        "2024-03-01", "2024-03-09", "2024-03-02", "2024-03-06", "2024-02-20", "2024-03-05",
    ]),
})

conversions = pd.DataFrame({
    "conversion_id": [1, 2, 3, 4],
    "user_id": [1, 2, 3, 5],
    "converted_at": pd.to_datetime(["2024-03-10", "2024-03-08", "2024-03-04", "2024-03-07"]),
    "value": [80.0, 25.0, 40.0, 60.0],
})