Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Mar 31;47(1):22. doi: 10.1186/s12711-015-0097-5

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Ehret et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

PMC Copyright notice

Architecture of a two-layer feed forward neural network. x _ij = network input, e.g., marker genotype j of individual i; w _1m = network weight from the input to hidden layer; w _2s = network weight from the hidden to the output layer; y _i network output, e.g., predicted phenotype of individual; f(.) = activation function at the hidden neurons; g(.) = activation function at the output neuron; $\sum$ indicates some computation.