def normalize_time(measurements, start=None, offset=None):
    if start is None:
        start = measurements[0][0]
    measurements = measurements.transpose()
    # Subtract the first timestamp value from all timestamp values.
    measurements[0] = measurements[0] - start
    if offset is not None:
        measurements[0] = measurements[0] + offset
    return measurements.transpose()
Normalize a data array containing timestamps as the first data column
dataset/ETHPy150Open kdart/pycopia/QA/pycopia/dataset.py/normalize_time