Epistasis Blog

From the Artificial Intelligence Innovation Lab at Cedars-Sinai Medical Center (www.epistasis.org)

Friday, August 08, 2008

MDR 1.2.5

We fixed a small bug in the MDR attribute construction and released version 1.2.5 on Sourceforge. If the number of combinations of attributes exceeded the number of rows MDR switches from a dense matrix to a sparse matrix. The bug was in the filling up of the sparse matrix and the result was we would get a null pointer exception and the attribute would silently not be created. This probably will not impact anyone.


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