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cem (version 1.0.142)
CEM: Software for Coarsened Exact Matching
Description
This program implements the coarsened exact matching
algorithm (and many extensions) described in Stefano M. Iacus,
Gary King, and Giuseppe Porro, "Causal Inference Without
Balance Checking: Coarsened Exact Matching,"
http://gking.harvard.edu/files/abs/cem-plus-abs.shtml