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Generalization in large committee machines

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  • Hertz, John
  • Schwarze, Holm

Abstract

We study generalization in large committee machines. For a model with nonoverlapping receptive fields a full replica calculation yields results qualitatively similar to those for single-layer machines. For a fully connected architecture, within the annealed approximation we find a transition from a symmetric state to one with specialized hidden units, accompanied by a discontinuous drop in the generalization error, for both binary and continuous weights. The poorly generalizing symmetric states are metastable for arbitrarily large training sets.

Suggested Citation

  • Hertz, John & Schwarze, Holm, 1993. "Generalization in large committee machines," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 200(1), pages 563-569.
    • Handle: RePEc:eee:phsmap:v:200:y:1993:i:1:p:563-569
    DOI: 10.1016/0378-4371(93)90561-H
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    1. Moukarzel, C. & Parga, N., 1992. "The REM zeros in the complex temperature and magnetic field planes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 185(1), pages 305-315.
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