* ability to specify per-layer activation function
* some tests for new addition to layer
* appease style CI whitespace issue
* more flexible addition of layers, and developer can pass Layer object in manually
* new test for layer object in mlp constructor
* documentation for added MLP functionality
* Update NaiveBayes.php
This fixes an issue using string labels that are string representations of integers, e.g. "1998" getting cast to (int)1998.
* Update NaiveBayes.php
fixes superfluous whitespace error
* added tests for naive bayes with numeric labels
* added array_unique
* nested array_flips for speed
* nested the array flips inside the array map
* to appear style CI test
- Backpropagation using the neuron activation functions derivative
- instead of hardcoded sigmoid derivative
- Added missing activation functions derivatives
- Sigmoid forced for the output layer
- Updated ThresholdedReLU default threshold to 0 (acts as a ReLU)
- Unit tests for derivatives
- Unit tests for classifiers using different activation functions
- Added missing docs
* Fix target value of LogisticRegression
* Fix probability calculation in LogisticRegression
* Change the default cost function to log-likelihood
* Remove redundant round function
* Fix for coding standard
* tests: update to PHPUnit 6.0 with rector
* [cs] clean empty docs
* composer: bump to PHPUnit 6.4
* tests: use class references over strings
* cleanup
* travis: move coveralls here, decouple from package
* composer: use PSR4
* phpunit: simpler config
* travis: add ecs run
* composer: add ecs dev
* use standard vendor/bin directory for dependency bins, confuses with local bins and require gitignore handling
* ecs: add PSR2
* [cs] PSR2 spacing fixes
* [cs] PSR2 class name fix
* [cs] PHP7 fixes - return semicolon spaces, old rand functions, typehints
* [cs] fix less strict typehints
* fix typehints to make tests pass
* ecs: ignore typehint-less elements
* [cs] standardize arrays
* [cs] standardize docblock, remove unused comments
* [cs] use self where possible
* [cs] sort class elements, from public to private
* [cs] do not use yoda (found less yoda-cases, than non-yoda)
* space
* [cs] do not assign in condition
* [cs] use namespace imports if possible
* [cs] use ::class over strings
* [cs] fix defaults for arrays properties, properties and constants single spacing
* cleanup ecs comments
* [cs] use item per line in multi-items array
* missing line
* misc
* rebase
* Add support for coveralls.io
* Generate coverage report only on php 7.2 build
* Fix osx travis build and move tools to bin dir
* Update php version badge
* Fix travis conditional statement
* Fix travis conditional statement
* 🤦 fix bin path
Yuji Uchiyama
Andreas Möller
Jonathan Baldie
Arkadiusz Kondas
Marcin Michalski
Jeroen van den Enden
David Monllaó
Miguel Piedrafita
Tomáš Votruba
Anatoly Pashin
Qingshan Luo
Maxim Kasatkin
Gary Fuller