This paper investigates four methods for growing classifiers, identifying one method that fails to learn due to zero gradients in newly added layers. The study demonstrates that this specific growth strategy significantly reduces accuracy on datasets like Iris and Wine. A simple fix involves a small random perturbation to the new parameters, ensuring their gradients are non-zero. The other three growth methods offer distinct benefits, such as improved sparsity or smaller network sizes, though not always enhanced accuracy. AI
IMPACT Provides insights into the mechanics of neural network training and parameter addition, potentially informing future model architectures.
RANK_REASON Academic paper detailing a new method for classifier growth and its analysis. [lever_c_demoted from research: ic=1 ai=1.0]
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