Wouter van Amsterdam vanAmsterdam

We start with the imports:

import dicom
import os
import numpy

The pydicom package can be installed through pip and can be found in https://pypi.python.org/pypi/pydicom/

	# proxy confounder problem
	# cf https://twitter.com/y2silence/status/1251151157264674816

	# note that I rename X1,X2 to A,B and A to X
	# The DAG:
	# X -> Y
	# X <- U -> Y
	# A <- U -> B

	# Can we use A and B to deconfound X->Y?