infer_freq

infer_freq

    def infer_freq(self, pd_series):
        d = {
            "A": "year",
            "M": "month",
            "W": "week",
            "D": "day",
            "H": "hour",
            "T": "min",
            "S": "sec",
            "L": "millisec",
            "U": "microsec",
            "N": "nanosec"
        } # ref: https://pandas.pydata.org/pandas-docs/stable/user_guide/timeseries.html
        rep = pd.DatetimeIndex(pd_series).inferred_freq
        unit = re.sub("\d", "", rep)
        freq =  d.get(unit)
        return freq