Merge branch 'master' into 'main'

forrest-test.ipynb

machineLearning/__init__.py

machineLearning/metric/__init__.py

machineLearning/metric/confusionMatrix.py

machineLearning/metric/observable.py

machineLearning/nn/observable.py

machineLearning/rf/decisionTree.py

machineLearning/rf/randomForrest.py

machineLearning/rf/splitAlgorithm.py

machineLearning/som/som.py

network-test.ipynb

som-test.ipynb

som/observable.py

tree-test.ipynb