The Reaction Project

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REACTION is delivering better and more efficient healthcare services in Europe, thus supporting the Commissions activities in ICT for Health: eHealth.

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The REACTION project is a 4-year project started in 2010. It is partly funded by the European Commission under the 7th Framework Programme in the area of Personal Health Systems under Grant Agreement no. 248590

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Downloads: Learning from mixture of experimental data: a constraint-based approach

Downloads Home > Scientific conference papers > Learning from mixture of experimental data: a constraint-based approach

Learning from mixture of experimental data: a constraint-based approach

Abstract:
We propose a novel approach for learning graphical models when data coming from different experimental conditions are available. We argue that classical constraint-based algorithms can be easily applied to mixture of experimental data given an appropriate conditional independence test. We show that, when perfect statistical inference are assumed, a sound conditional independence test for mixtures of experimental data can consist in evaluating the null hypothesis of conditional independence separately for each experimental condition. We successively indicate how this test can be modified in order to take in account statistical errors. Finally, we provide Proof-of-Concept results for demonstrating the validity of our claims.