Results 10 issues of Nuwan Gunasekara

**Description** I came across below error by mistake when following instructions in https://github.com/scikit-multiflow/scikit-multiflow/blob/master/CONTRIBUTING.md: ``` pip install -e . Obtaining file:///home/nuwan/Desktop/scikit-multiflow Complete output from command python setup.py egg_info: Traceback (most recent...

enhancement
help wanted

This is a preliminary PR for initial review 1. Commit 17b7b390ba0665c75cab9a6bc152375695394874 adds MLP support with DJL 2. Commit a120daf10673e5787027ca78aee64002652ee3fa adds CAND support ### TODO - [x] reference to the paper...

It looks like moa.classifiers.meta.imbalanced Tests are failing. # How to reproduce ## get latest MOA master ``` (base) ng98@MacBook-Pro-2 moa % git status On branch master Your branch is up...

Some MOA tasks fail when using filters because they (tasks) use InstanceStream instead of ExampleStream. Failing tasks - [ ] EvaluateInterleavedTestThenTrain - [ ] WriteStreamToARFFFile [PR 244](https://github.com/Waikato/moa/pull/244)

MOA docker image fail to build with Java 8. [docker/devel-gui.Dockerfile](https://github.com/Waikato/moa/blob/bf4dc53b129181637fa7eb64461a936102ad05d5/docker/devel-gui.Dockerfile#L16): ``` openjdk-8-jdk \ ``` where [meka-1.9.7.jar](https://repo1.maven.org/maven2/net/sf/meka/meka/1.9.7/meka-1.9.7.jar) is build with version 55.0 (Java SE 11) ``` jar xf meka-1.9.7.jar cd meka...

AdaHoeffdingOptionTreeTest is failing on latest master (6eacf9b) with `mvn clean package` ``` Running moa.classifiers.trees.AdaHoeffdingOptionTreeTest Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.759 sec

Fixing Issue #271 ## Testing `mvn clean package` passes with all tests except **AdaHoeffdingOptionTreeTest** due to #273

MOAObject measureByteSize() could return negative value if the size is > 2^31-1: ` public interface MOAObject extends Serializable { /** * Gets the memory size of this object. * *...

measureByteSize() gets called twice in [EvaluatePrequential for every stats collection cycle:](https://github.com/Waikato/moa/blob/6eacf9bef3ef9aebb2243ba81cb86fc0ab04add5/moa/src/main/java/moa/tasks/EvaluatePrequential.java#L216) ``` double RAMHoursIncrement = learner.measureByteSize() / (1024.0 * 1024.0 * 1024.0); //GBs RAMHoursIncrement *= (timeIncrement / 3600.0); //Hours RAMHours...

The tests run with ```mvn clean package``` on Regressors are failing due to 73cb667c855f26ff018afbdd01e337e8e162bd6a (which introduced coefficient of determination and adjusted coefficient of determination to Basic and Window Regression Performance...