def __init__(self, erp_class_label, retained_channels=None):
super(SSNRSinkNode, self).__init__()
# We reuse the ClassificationCollection (maybe this should be renamed to
# MetricsDataset?)
self.set_permanent_attributes(# Object for handling SSNR related calculations
ssnr=SSNR(erp_class_label, retained_channels),
# Result collection
ssnr_collection=BinaryClassificationDataset(),
erp_class_label=erp_class_label)
