def regressionDemo():
'''how to use this modules as library'''
# get data sets from file
trainingSet = LibsvmFileImporter('./data/regression/lin_reg').get_dataSet()
#testSet = LibsvmFileImporter('./data/lin_reg.t').get_dataSet()
# make new ridge regression
rr = RidgeRegression()
for i in range(5):
# optional: set complexity parameter
rr.set_lambda(i) # 0: linear regression w/o regularization
# train the model
rr.trainModel(trainingSet)
# get model
print 'model:\n%s' % rr.get_model()
