| import pandas as pd |
| |
| _grain_mapping = {"day": "D", "week": "W", "month": "M"} |
| |
| |
| def _validate_grain(grain: str): |
| assert grain in ["day", "week", "month"] |
| |
| |
| def filtered_interactions(website_interactions: pd.DataFrame, region: str) -> pd.DataFrame: |
| return website_interactions[website_interactions.region == region] |
| |
| |
| def unique_users(filtered_interactions: pd.DataFrame, grain: str) -> pd.Series: |
| """Gives the number of shares traded by the frequency""" |
| _validate_grain(grain) |
| return filtered_interactions.resample(_grain_mapping[grain])["user_id"].nunique() |
