def make_dict(duration, voltages, beats, mean_hr, beat_times):
    """Makes a dictionary following the format described on github

    :param duration: Time length of data sequence
    :param voltages: Voltage extremes in tuple form
    :param beats: Number of beats
    :param mean_hr: Calculated heart rate in BPM
    :param beat_times: List of times where heart beat events occured

    :return: Dictionary of data
    """
    metrics = {"Duration": duration,
               "Voltage Extremes": voltages,
               "Number of Beats": beats,
               "Mean Heart Rate": mean_hr,
               "Beat Times": beat_times}
    return metrics