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| Logit with zero intercept, NNet activations http://forum.alglib.net/viewtopic.php?f=2&t=462 |
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| Author: | aitrader [ Thu Oct 27, 2011 6:29 am ] |
| Post subject: | Logit with zero intercept, NNet activations |
Is it possible to add a logit function to calculate with a zero intercept? Currently the calculation appears to be something like: 1/exp(-v1 + -v2 .. + -vn) I believe the zero intercept version change would be: 1/exp(0 + -v1 + -v2 .. -vn) ----------------- Would it be useful to add pluggable neural network activation functions using FADBAD++ ?? The idea would be to decouple the NNet activation function from the fixed sigmoid functions currrently used and add flexibility with user-defined activation functions. Alglib is a great library!! Keep up the good work. |
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