Middle-R - A User Level Middleware for Statistical Computing

Rodrigo A. DiasAlfredo GoldmanRoberto Hirata Jr

In this work we present middle-R, a user-level middleware for statistical computing. It has been developed to distribute R (a language and environment for statistics) in commodity computers running Microsoft Windows. The solution is simple because it uses Alchemi, a grid middleware developed using Microsoft .NET technology in the University of Melbourne. The implemented solution uses Alchemi as a low-level middleware and makes it possible to execute R scripts in a grid environment. The solution has been successfully implemented and tested in two different environments: the didactic laboratories of a college and of a high school. The main application reported in this paper is a combinatorial task for finding molecular markers of a few genes to classify correctly samples of acute lymphoblastic leukemia against acute myeloid leukemia.

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