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The current implementation of population coding in
ce_rate_lossjust doesn't work (and is programmed quite confusingly).I implemented population coding by adapting
LossFunctions._population_code(): taking the average (as opposed to sum) response of the population, without summing over all time steps.I've tested it inside the
tutorial_pop.ipynbnotebook. I replacedmse_count_losswith the updatedce_rate_lossand it appropriately produced better results: