knn-java

A KNN implemention in Java.

Build in Eclipse

1. Clone the project.
2. Using eclipse, select File > Import.Under Maven, choose Existing Maven Projects.
3. Point to the directory where the pom.xml is stored.
4. Select the project and then Finish.
5. Install dependencies and build with Right click on the project > Run as > Maven install.

Usage

Using the project is very straightforward:

try {
  KNN knn = new KNN(5, new EuclideanDistance());
  knn.run(KNN.ARFF_FILE_PATH);
  knn.printResult();
} catch (IOException e) {
  // file issues
}

Options

We use Apache's DistanceMeasure interface. Therefore, we support any implementation, including these out-of-the-box:

Distance function	Call
Euclidean	new EuclideanDistance()
Canberra	new CanberraDistance()
Chebyshev	new ChebyshevDistance()
Earth mover's	new EarthMoversDistance()
Manhattan	new ManhattanDistance()