Rescale each channel to the new range as following: new = data/old_range*new_range
data : DataFrame
data to be rescaled
new_range : float | array | Series
Maximal data value after rescaling
old_range : float | array | Series
Maximal data value before rescaling (If old range is not given use the one specified in self.meta[‘_channels_’][‘$PnR’]) Depracated!!!