268 Commits

Author	SHA1	Message	Date
Arkadiusz Kondas	417174d143	Implement ColumnFilter preprocessor (#378)	2019-05-12 22:41:31 +02:00
Arkadiusz Kondas	717f236ca9	Implement NumberConverter (#377)	2019-05-12 22:25:17 +02:00
Arkadiusz Kondas	1e1d794655	Fix DecisionTreeRegressor for big dataset (#376)	2019-05-12 21:27:21 +02:00
Arkadiusz Kondas	91812f4c4a	Implement DecisionTreeRegressor (#375)	2019-05-12 20:04:39 +02:00
Arkadiusz Kondas	8544cf7083	Implement regression metrics (#373)	2019-05-10 23:10:05 +02:00
Arkadiusz Kondas	f6aa1a59b0	Remove phpunit readAttributes deprecated methods (#372)	2019-04-12 07:49:30 +02:00
KenorFR	cefb4fc7a7	Ngram word (#370) ... * Add NGramWordTokenizer * Update doc Add test Check coding standards	2019-04-05 21:23:09 +02:00
Arkadiusz Kondas	dbbce0e066	Implement LabelEncoder (#369)	2019-04-02 11:07:00 +02:00
Marcin Michalski	d3888efa7a	Update phpstan & easy coding standard (#366)	2019-03-25 14:55:14 +01:00
Arkadiusz Kondas	5e02b893e9	Fix FilesDataset arrays and TokenCountVectorizer numeric token (#363)	2019-03-20 23:22:45 +01:00
Pol Dellaiera	02dab41830	Provide a new NGramTokenizer with minGram and maxGram support (#350) ... * Issue #349: Provide a new NGramTokenizer. * Issue #349: Add tests. * Fixes from code review. * Implement NGramTokenizer with min and max gram support * Add missing tests for ngram * Add info about NGramTokenizer to docs and readme * Add performance test for tokenization	2019-02-15 17:31:10 +01:00
Pol Dellaiera	40f1ca06aa	Issue #351: Replace pow() and sqrt() with double stars notation. (#352)	2019-02-08 22:24:02 +01:00
Pol Dellaiera	4b837fae8e	Improve distance performance and reduce duplication in distance classes. (#348) ... * Issue #347: Reduce duplicated code. * Issue #347: Replace array_* with regular loops for better perfomance.	2019-02-06 08:00:17 +01:00
Arkadiusz Kondas	1934d8af81	Update dependencies and fix code styles (#334)	2018-12-12 21:56:44 +01:00
Arkadiusz Kondas	d30c212f3b	Check if feature exist when predict target in NaiveBayes (#327) ... * Check if feature exist when predict target in NaiveBayes * Fix typo	2018-11-07 09:39:51 +01:00
Arkadiusz Kondas	18c36b971f	Mnist Dataset (#326) ... * Implement MnistDataset * Add MNIST dataset documentation	2018-11-07 08:02:56 +01:00
Marcin Michalski	f2dd40cb6f	Properly check cluster points label (#323)	2018-10-29 20:04:06 +01:00
Marcin Michalski	53c5a6b9e5	Update phpstan to 0.10.5 (#320)	2018-10-28 07:44:52 +01:00
Marcin Michalski	0beb407b16	Update easy coding standard to ^5.1 (#317)	2018-10-16 21:42:06 +02:00
Marcin Michalski	d29c5906df	Return labels in MultilayerPerceptron output (#315)	2018-10-15 19:47:42 +02:00
Arkadiusz Kondas	e255369636	Fix Imputer docs and check if train data was set (#314) ... * Update docs for Imputer class * Throw exception when trying to transform imputer without train data * Update changelog	2018-10-10 21:36:18 +02:00
Arkadiusz Kondas	8fdb3d11fc	Make SVM non-locale aware (#288)	2018-07-04 23:42:22 +02:00
Yuji Uchiyama	ab22cc5b68	Change the default kernel type in SVC to Kernel::RBF (#267) ... * Change the default kernel type in SVC to Kernel::RBF * Update CHANGELOG.md	2018-06-20 23:28:11 +02:00
Tomáš Votruba	46fa2c2cca	Update to EasyCodingStandard 4 (#273) ... * update ECS config to v4 * composer: require Symplify 4 * apply coding-standard: use constants over functions, protected setUp() in tests, array indentation * ecs: add false positive case * composer: update lock * bump to ECS 4.4 * update composer.lock * shorten ECS config name * ecs: ignore assignments in while() * fix cs	2018-06-15 07:57:45 +02:00
Ivana Momcilovic	af2d732194	KMeans associative clustering (#262) ... * KMeans associative clustering added * fix travis error * KMeans will return provided keys as point label if they are provided * fix travis * fix travis	2018-03-08 22:27:16 +01:00
Mustafa Karabulut	0d80c78c57	Micro optimization for matrix multiplication (#255) ... * Micro optimization for matrix multiplication * code cs fix * added a comment block for the change	2018-03-08 19:19:09 +01:00
Yuji Uchiyama	66ca874062	Throw proper exception (#259) ... * Throw proper exception * Fix coding style	2018-03-06 23:26:36 +01:00
Marcin Michalski	a40c50b48b	Add Optimizer tests and remove initialTheta (#252) ... * Add Optimizer tests * Remove Optimizer.initialTheta and rename Optimizer.setInitialTheta to setTheta	2018-03-04 22:44:22 +01:00
Marcin Michalski	55749c7c92	Add Cluster tests (#254)	2018-03-04 17:06:46 +01:00
Marcin Michalski	941d240ab6	Add RandomForest exception tests (#251)	2018-03-04 17:02:36 +01:00
Arkadiusz Kondas	8976047cbc	Add removeColumns function to ArrayDataset (#249) ... * Add removeColumns function to ArrayDataset * Add removeColumns to docs * Fix cs	2018-03-03 16:04:21 +01:00
Yuji Uchiyama	cbd9f5fde1	Inline static constructors of exceptions (#250)	2018-03-03 16:03:53 +01:00
Marcin Michalski	9e375ca544	Ensure DataTransformer::testSet samples array is not empty (#204)	2018-02-25 22:56:36 +01:00
Yuji Uchiyama	4562f1dfc9	Add a SvmDataset class for SVM-Light (or LibSVM) format files (#237) ... * Add data loader for svm format * Add tests for error cases * Set proper exception messages * Add documents * Add error checking code for invalid column format * Add missing documents	2018-02-24 11:17:35 +01:00
Arkadiusz Kondas	a96f03e8dd	Fix Optimizer initial theta randomization (#239) ... * Fix Optimizer initial theta randomization * Add more tests for LUDecomposition and FuzzyCMeans	2018-02-23 23:05:46 +01:00
Yuji Uchiyama	add00c6108	Fix apriori keys (#238) ... * Add test to check keys of rules * Reindex after array_filter/array_unique in Apriori	2018-02-22 17:02:55 +01:00
Arkadiusz Kondas	0a15561352	Fix KMeans and EigenvalueDecomposition (#235) ... * Fix kmeans cluster and eigenvalue decomposition * Fix kmeans space * Fix code style	2018-02-18 00:09:24 +01:00
Arkadiusz Kondas	16dc16b0d9	Add phpstan strict rules (#233) ... * Add phpstan strict rules * Fix travis coveralls * Add phpstan-phpunit strict rules * Fix eigen decomposition test name and phpstan ingored error	2018-02-16 07:25:24 +01:00
Marcin Michalski	6ac61a860c	Fix 'toSmall' typo (#234)	2018-02-15 18:14:06 +01:00
Arkadiusz Kondas	451f84c2e6	Add SelectKBest docs	2018-02-14 20:34:53 +01:00
Arkadiusz Kondas	b4b190de7f	Fix pipeline transformers	2018-02-14 20:34:53 +01:00
Arkadiusz Kondas	998879b6fc	Switch SelectKBest constructor parameters	2018-02-14 20:34:53 +01:00
Arkadiusz Kondas	9e5b3a0c69	Implement first regression scoring function UnivariateLinearRegression	2018-02-14 20:34:53 +01:00
Arkadiusz Kondas	fbf84ca95f	Implement SelectKBest algo for feature selection	2018-02-14 20:34:53 +01:00
Arkadiusz Kondas	52c9ba8291	Fix: phpunit include tests path (#230) ... * Fix phpunit include path * Add tests for Covariance	2018-02-11 18:17:50 +01:00
Yuji Uchiyama	53f8a89556	Fix support of a rule in Apriori (#229) ... * Clean up test code * Add test to check support and confidence (failed due to a bug) * Fix support value of rules	2018-02-11 12:42:46 +01:00
Arkadiusz Kondas	3ba35918a3	Implement VarianceThreshold - simple baseline approach to feature selection. (#228) ... * Add sum of squares deviations * Calculate population variance * Add VarianceThreshold - feature selection transformer * Add docs about VarianceThreshold * Add missing code for pipeline usage	2018-02-10 18:07:09 +01:00
Andreas Möller	4b5d57fd6f	Enhancement: Flatten directory structure (#220)	2018-02-10 12:08:58 +01:00
Yuji Uchiyama	71cc633c8e	Fix apriori generates an empty array as a part of the frequent item sets (#224)	2018-02-07 10:02:38 +01:00
Yuji Uchiyama	ec091b5ea3	Support probability estimation in SVC (#218) ... * Add test for svm model with probability estimation * Extract buildPredictCommand method * Fix test to use PHP_EOL * Add predictProbability method (not completed) * Add test for DataTransformer::predictions * Fix SVM to use PHP_EOL * Support probability estimation in SVM * Add documentation * Add InvalidOperationException class * Throw InvalidOperationException before executing libsvm if probability estimation is not supported	2018-02-06 20:39:25 +01:00