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01/10/2013
Semi-Instrumental Variables: A Test for Instrument Admissibility
In a causal graphical model, an instrument for a variable X and its effe...
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10/19/2012
Learning Measurement Models for Unobserved Variables
Observed associations in a database may be due in whole or part to varia...
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07/04/2012
On the Number of Experiments Sufficient and in the Worst Case Necessary to Identify All Causal Relations Among N Variables
We show that if any number of variables are allowed to be simultaneously...
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06/13/2012