Add tree strucutre and test file
Fixed some bugs with prediction method
fixed edge cases for conditional probability and added test files
Merge branch 'master' of https://github.com/tuanh118/decision-tree into test
commit to merge
Merge branch 'test' of https://github.com/tuanh118/decision-tree into test
clean up functions, add a file to generate random files for testing
Fix print function, add file ID3_decision_tree to run using command line that prints the tree and accuracies, and add instruction to README
Add file directory
Merge pull request #1 from tuanh118/test

Test