def kernel(self, standardizer, blocksize=10000, allowlowrank=False):
"""
See :meth:`.SnpReader.kernel` for details and examples.
"""
if type(standardizer) is Identity:
K = self.val.dot(self.val.T)
return K
else:
K = SnpReader.kernel(self, standardizer, blocksize=blocksize, allowlowrank=allowlowrank)
return K
