def rescale_data(ds, scale):
    """
    Rescale the data for a selected dataframe column
    One example: convert Time(S) to Time(uS)
    :param ds: One column in the pandas dataframe such as time df_data[headings[1]], int or float
    :param scale: A scale factor to multiple original data such as 1E6
    :return: The rescaled dataframe column
    """
    df = ds * scale
    return df