rosejn/cortex

support for selu activation function

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#181 opened on Jun 11, 2017

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Description

Ran into an interesting discussion on hackers' news on an activation function that seems to work well, even with deeper fully connected networks. See comparison and paper here, and discussion at reddit and HN.

https://github.com/shaohua0116/Activation-Visualization-Histogram

https://www.reddit.com/r/MachineLearning/comments/6g5tg1/r_selfnormalizing_neural_networks_improved_elu/ https://news.ycombinator.com/item?id=14527686

Contributor guide

Research direction
Implement the SELU activation function in the cortex library, following the mathematical definition and ensuring compatibility with existing neural network layers.
Tech stack
None
Domain
machine learning
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
ClojureMachine learning basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60