def Statsmodels_Std_Error_Params(name, results, Explanatory, NumDecimal):
    """
    This function gives the Std Error of the of the Params from a statsmodels model results.

    Arguments:
    ----------
        - results: statsmodels result object of the model
            The results object of the model
        - Explanatory: Pandas DataFrame
            The DataFrame with the explanatory series
        - NumDecimal: int
            Number of decimals for the numbers calculated

    Return:
    ----------
        - StErrParams: str
            The Std Error of the Params
    """

    StErrParams = results.bse
    StErrParams = [str(round(item, NumDecimal)) for item in StErrParams]
    for item in range(0, len(Explanatory.columns)):
        StErrParams[item + 1] = str(StErrParams[item + 1]) + ' ' + str(Explanatory.columns[item])
    StErrParams[0] = str(StErrParams[0])
    StErrParams = ', '.join(StErrParams)

    return StErrParams