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SEL PW2

Code execution

This project executes a home-made Random Forest or Decision Forest classifier. The datasets available to test the code are in Data folder. A more in depth study of the algorithms is found in the Report.pdf, inside Documentation folder.

The project is executed from the file main.py. This file requires a json configuration, where we establish the parameters of the forest interpreter.

An example of the structure of the json configuration is the following:

{
  "classifier" : "RandomForestClassifier",
  "dataset": "../Data/cmc.data",
  "train_test_split": 0.75,
  "NT": [1, 10, 25, 50, 75, 100],
  "F": [1, 2, 3, 4],
  "csv_out_name": "RandomForest_cmc.csv",
  "seed": 0
}

The explanation of the parameters is the following:

{
  "classifier" : str, -> possible values: "RandomForestClassifier" or "DecisionForestClassifier"
  "dataset": str, -> data path to the dataset
  "train_test_split": float, -> fraction [0, 1] of the dataset used in train, the rest will go on test
  "NT": [int, ...], -> List of ints. Number of trees that will evaluated. 
  "F": [int, ...], -> List of ints. Number of features that will be evaluated.
  "csv_out_name": str, -> name of the .csv output file
  "seed": int -> seed to reproduce results
}

So, in order to execute the project, you only need to call the main script with the configuration file, as:

python main.py config_files/random_forest_cmc.json

Project Structure

  • Data: Folder where the datasets used for this project are located.
  • Documentation: Folder where the report of this project is located.
  • source: Source folder for the code of the project.
    • config_files: JSON configuration used for this project.
    • data_structure: Python package. The files for the data structure are located here.
    • forests: Python package where the files of forest related classes are located.
    • logs: Default folder where the results of the executions are saved.
    • trees: Python package where the tree (CART) structure is saved.
    • utils: Python package where some utils function are saved, as well as the script to produce the 3D scatter plots.
  • README.md: This file.