Commit Graph

187 Commits

Author SHA1 Message Date
Ante Lucic
07041ec608 Run newest php-cs-fixer (#108) 2017-07-26 08:24:47 +02:00
Ante Lucic
08d974bb4c Add missing @throws and @param docblocks (#107) 2017-07-26 08:22:12 +02:00
Maxime COLIN
2d3b44f1a0 Fix samples transformation in Pipeline training (#94) 2017-05-24 09:06:54 +02:00
David Monllaó
de50490154 Neural networks partial training and persistency (#91)
* Neural networks partial training and persistency

* cs fixes

* Add partialTrain to nn docs

* Test for invalid partial training classes provided
2017-05-23 09:03:05 +02:00
Maxime COLIN
3dff40ea1d Add french stopwords (#92)
* Add french stopwords

* Add french stopwords test
2017-05-22 23:18:27 +02:00
David Monllaó
4af8449b1c Neural networks improvements (#89)
* MultilayerPerceptron interface changes

- Signature closer to other algorithms
- New predict method
- Remove desired error
- Move maxIterations to constructor

* MLP tests for multiple hidden layers and multi-class

* Update all MLP-related tests

* coding style fixes

* Backpropagation included in multilayer-perceptron
2017-05-18 00:07:14 +02:00
Marcin Michalski
7ab80b6e56 Code Style (#86)
* Code Style

* Code Review fixes
2017-05-17 09:03:25 +02:00
Humberto Castelo Branco
43f15d2f7e New methods: setBinPath, setVarPath in SupportVectorMachine (#73)
* new methods: setBinPath, setVarPath

* fix whitespaces and breaklines
2017-05-13 12:58:06 +02:00
Mustafa Karabulut
5b373fa7c2 Linear Discrimant Analysis (LDA) (#82)
* Linear Discrimant Analysis (LDA)

* LDA test file

* Matrix inverse via LUDecomposition

* LUDecomposition inverse() and det() applied

* Readme update for LDA
2017-04-25 08:58:02 +02:00
David Monllaó
12b8b118dd Fix division by 0 error during normalization (#83)
* Fix division by 0 error during normalization

std is 0 when a feature has the same value in samples.

* Expand std normalization test
2017-04-24 11:47:30 +02:00
Mustafa Karabulut
a87859dd97 Linear algebra operations, Dimensionality reduction and some other minor changes (#81)
* Lineer Algebra operations

* Covariance

* PCA and KernelPCA

* Tests for PCA, Eigenvalues and Covariance

* KernelPCA update

* KernelPCA and its test

* KernelPCA and its test

* MatrixTest, KernelPCA and PCA tests

* Readme update

* Readme update
2017-04-23 09:03:30 +02:00
Arkadiusz Kondas
6296e44db0 cs fixer 2017-04-19 22:28:07 +02:00
David Monllaó
e1854d44a2 Partial training base (#78)
* Cost values for multiclass OneVsRest uses

* Partial training interface

* Reduce linear classifiers memory usage

* Testing partial training and isolated training

* Partial trainer naming switched to incremental estimator

Other changes according to review's feedback.

* Clean optimization data once optimize is finished

* Abstract resetBinary
2017-04-19 22:26:31 +02:00
Humberto Castelo Branco
b27f08f420 Add delimiter option for CsvDataset (#66)
Useful option when the CSV file uses another delimiter character other than the comma, for example, as the semicolon or tab character.
2017-03-29 12:58:12 +02:00
Mustafa Karabulut
49234429f0 LogisticRegression classifier & Optimization methods (#63)
* LogisticRegression classifier & Optimization methods

* Minor fixes to Logistic Regression & Optimizers PR

* Addition for getCostValues() method
2017-03-27 23:46:53 +02:00
Kyle Warren
c44f3b2730 Additional training for SVR (#59)
* additional training SVR

* additional training SVR, missed old labels reference

* SVM labels parameter now targets

* SVM member labels now targets

* SVM init targets empty array
2017-03-17 11:44:45 +01:00
Arkadiusz Kondas
39747efdc1 Update dependecies and coding style fixes 2017-03-05 16:45:48 +01:00
Arkadiusz Kondas
c6fbb83573 Add typehints to DecisionTree 2017-03-05 16:25:01 +01:00
Mustafa Karabulut
01bb82a2a7 One-v-Rest Classification technique applied to linear classifiers (#54)
* One-v-Rest Classification technique applied to linear classifiers

* Fix for Apriori

* Fixes for One-v-Rest

* One-v-Rest test cases
2017-03-05 09:43:19 +01:00
Arkadiusz Kondas
63c63dfba2 Add no_unused_imports rule to cs-fixer 2017-03-01 10:16:15 +01:00
Mustafa Karabulut
c028a73985 AdaBoost improvements (#53)
* AdaBoost improvements

* AdaBoost improvements & test case resolved

* Some coding style fixes
2017-02-28 21:45:18 +01:00
Arkadiusz Kondas
e8c6005aec Update changelog and cs fixes 2017-02-23 20:59:30 +01:00
Mustafa Karabulut
4daa0a222a AdaBoost algorithm along with some improvements (#51) 2017-02-21 10:38:18 +01:00
Mustafa Karabulut
cf222bcce4 Linear classifiers: Perceptron, Adaline, DecisionStump (#50)
* Linear classifiers

* Code formatting to PSR-2

* Added basic test cases for linear classifiers
2017-02-16 23:23:55 +01:00
Povilas Susinskas
f0a7984f39 Check if matrix is singular doing inverse (#49)
* Check if matrix is singular doing inverse

* add return bool type
2017-02-15 10:09:16 +01:00
Mustafa Karabulut
a33d5fe9c8 RandomForest::getFeatureImportances() method (#47)
* RandomForest::getFeatureImportances() method

* CsvDataset update for column names
2017-02-13 21:23:18 +01:00
Mustafa Karabulut
0a58a71d77 Euclidean optimization (#42)
* Euclidean optimization

* Euclidean with foreach
2017-02-09 10:30:38 +01:00
Mustafa Karabulut
1d73503958 Ensemble Classifiers : Bagging and RandomForest (#36)
* Fuzzy C-Means implementation

* Update FuzzyCMeans

* Rename FuzzyCMeans to FuzzyCMeans.php

* Update NaiveBayes.php

* Small fix applied to improve training performance

array_unique is replaced with array_count_values+array_keys which is way
faster

* Revert "Small fix applied to improve training performance"

This reverts commit c20253f16ac3e8c37d33ecaee28a87cc767e3b7f.

* Revert "Revert "Small fix applied to improve training performance""

This reverts commit ea10e136c4c11b71609ccdcaf9999067e4be473e.

* Revert "Small fix applied to improve training performance"

This reverts commit c20253f16ac3e8c37d33ecaee28a87cc767e3b7f.

* First DecisionTree implementation

* Revert "First DecisionTree implementation"

This reverts commit 4057a08679c26010c39040a48a3e6dad994a1a99.

* DecisionTree

* FCM Test

* FCM Test

* DecisionTree Test

* Ensemble classifiers: Bagging and RandomForests

* test

* Fixes for conflicted files

* Bagging and RandomForest ensemble algorithms

* Changed unit test

* Changed unit test

* Changed unit test

* Bagging and RandomForest ensemble algorithms

* Baggging and RandomForest ensemble algorithms

* Bagging and RandomForest ensemble algorithms

RandomForest algorithm is improved with changes to original DecisionTree

* Bagging and RandomForest ensemble algorithms

* Slight fix about use of global Exception class

* Fixed the error about wrong use of global Exception class

* RandomForest code formatting
2017-02-07 12:37:56 +01:00
Arkadiusz Kondas
b7c9983524 Do not requre file to exist for model manager 2017-02-03 17:48:15 +01:00
Arkadiusz Kondas
858d13b0fa Update phpunit to 6.0 2017-02-03 12:58:25 +01:00
David Monllaó
8f122fde90 Persistence class to save and restore models (#37)
* Models manager with save/restore capabilities

* Refactoring dataset exceptions

* Persistency layer docs

* New tests for serializable estimators

* ModelManager static methods to instance methods
2017-02-02 09:03:09 +01:00
David Monllaó
c1b1a5d6ac Support for multiple training datasets (#38)
* Multiple training data sets allowed

* Tests with multiple training data sets

* Updating docs according to #38

Documenting all models which predictions will be based on all
training data provided.

Some models already supported multiple training data sets.
2017-02-01 19:06:38 +01:00
Arkadiusz Kondas
c3686358b3 Add rules for new cs-fixer 2017-01-31 20:33:08 +01:00
Mustafa Karabulut
87396ebe58 DecisionTree and Fuzzy C Means classifiers (#35)
* Fuzzy C-Means implementation

* Update FuzzyCMeans

* Rename FuzzyCMeans to FuzzyCMeans.php

* Update NaiveBayes.php

* Small fix applied to improve training performance

array_unique is replaced with array_count_values+array_keys which is way
faster

* Revert "Small fix applied to improve training performance"

This reverts commit c20253f16ac3e8c37d33ecaee28a87cc767e3b7f.

* Revert "Revert "Small fix applied to improve training performance""

This reverts commit ea10e136c4c11b71609ccdcaf9999067e4be473e.

* Revert "Small fix applied to improve training performance"

This reverts commit c20253f16ac3e8c37d33ecaee28a87cc767e3b7f.

* DecisionTree

* FCM Test

* FCM Test

* DecisionTree Test
2017-01-31 20:27:15 +01:00
Mustafa Karabulut
95fc139170 Update Cluster.php (#32) 2017-01-23 09:24:50 +01:00
Arkadiusz Kondas
d19ddb8507 Apply cs fixes for NaiveBayes 2017-01-17 16:26:43 +01:00
Mustafa Karabulut
e603d60841 Update NaiveBayes.php (#30)
* Update NaiveBayes.php

* Update NaiveBayes.php

* Update NaiveBayes.php

Update to fix "predictSample" function to enable it handle samples given as multi-dimensional arrays.

* Update NaiveBayes.php

* Update NaiveBayes.php
2017-01-17 16:21:58 +01:00
Arkadiusz Kondas
4dc82710c8 Replace rand with newer versions random_int 2016-12-12 19:09:45 +01:00
Arkadiusz Kondas
2363bbaa75 Add type hint and exceptions annotation 2016-12-12 19:02:09 +01:00
Arkadiusz Kondas
d32197100e Fix docblock 2016-12-12 18:50:27 +01:00
Arkadiusz Kondas
fd85033339 Use __DIR__ instead of dirname 2016-12-12 18:45:14 +01:00
Arkadiusz Kondas
a4f65bd13f Short syntax for applied operations 2016-12-12 18:34:20 +01:00
Arkadiusz Kondas
df28656d0d Fixes after new php-cs-fixer v2.0 2016-12-12 18:11:57 +01:00
Arkadiusz Kondas
8aad8afc37 Add null coalesce operator in token count vectoriezer 2016-12-08 00:45:42 +01:00
Arkadiusz Kondas
38a26d185f Secure index access and type safe comparision in statistic median 2016-12-06 09:03:02 +01:00
Arkadiusz Kondas
6d11116994 Fix default prameters values 2016-12-06 08:55:52 +01:00
Arkadiusz Kondas
9764890ccb Change floatvar to float casting (up to 6 times faster) 2016-12-06 08:52:33 +01:00
Arkadiusz Kondas
d00b7e5668 Secure uniqid usage 2016-12-06 08:50:18 +01:00
Arkadiusz Kondas
a61704501d Fix type compatibility for Minkowski distance 2016-12-06 08:48:45 +01:00
Arkadiusz Kondas
c4f0d1e3b0 Make csv reader binary safe 2016-12-06 08:46:55 +01:00