proximity.py 文件源码

def _member_to_beacon_proximity(m2badge, beacons):
    """Creates a member-to-beacon proximity DataFrame from member-to-badge proximity data.

    Parameters
    ----------
    m2badge : pd.DataFrame
        The member-to-badge proximity data, as returned by `member_to_badge_proximity`.

    beacons : list of str
        A list of beacon ids.

    Returns
    -------
    pd.DataFrame :
        The member-to-member proximity data.
    """

    df = m2badge.copy()

    # Rename 'observed_id' to 'beacon'
    df = df.rename_axis(['datetime', 'member', 'beacon'])

    # Filter out ids that are not in `beacons`
    return df.loc[pd.IndexSlice[:, :, beacons],:]