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Kernel SVM library based on sklearn and GPlib.

Project description


Kernel SVM library based on sklearn and GPlib. Provides similar functionality to GPlib for SVMs.

Setup kSVMlib

  • Create and activate virtualenv (for python2) or venv (for python3)
  # for python3
  python3 -m venv .env
  # or for python2
  python2 -m virtualenv .env

  source .env/bin/activate
  • Upgrade pip
  python -m pip install --upgrade pip
  • Install kSVMlib package
  python -m pip install ksvmlib

Use kSVMlib

  • Import kSVMlib to use it in your python script.
  import ksvmlib
  • Generate some random data.
  import numpy as np
  data = {}
  data['X'] = np.vstack((
      np.random.multivariate_normal([1, 1], [[1, 0], [0, 1]], 100),
      np.random.multivariate_normal([3, 3], [[1, 0], [0, 1]], 100)
  data['Y'] = np.vstack((
      np.ones((100, 1)),
      np.zeros((100, 1)),

  validation =, n_folds=1)
  train_set, test_set = validation.get_folds(data)[0]
  • Initialize the KSVM model and a metric to measure the results.
  model = ksvmlib.KSVM(ksvmlib.ker.SquaredExponential())
  accuracy =
  • Fit the model to the data.
  fitting_method =
  train_validation =, n_folds=3)

  log =, train_validation.get_folds(
  print("Fitting log: {}".format(log))
  • Finally plot the results.
  print("Accuracy: {}".format(accuracy.measure(model, train_set, test_set)))
  ksvmlib.plot.kernel_sort_data(model, test_set)
  • There are more examples in examples/ directory. Check them out!

Develop kSVMlib

  • Update API documentation
  source ./.env/bin/activate
  pip install Sphinx
  cd docs/
  sphinx-apidoc -f -o ./ ../ksvmlib

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