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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

  • Download the repository using git
git clone
cd ksvmlib
git config 'MAIL'
git config 'NAME'
git config credential.helper 'cache --timeout=300'
git config push.default simple
  • Update API documentation
source ./.env/bin/activate
pip install Sphinx
cd docs/
sphinx-apidoc -f -o ./ ../ksvmlib

Project details

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