note that for weird covariances the whiten may not work (though it seems to)
note that for weird covariances the whiten may not work (though it seems to)

selective-inference/selective-inference,selective-inference/selective-inference,stefanv/selective-inference,selective-inference/selective-inference,selective-inference/selective-inference,stefanv/selective-inference,stefanv/selective-inference,stefanv/selective-inference