def test():
"""Standalone test"""
import sys
from AnyQt.QtWidgets import QApplication
from Orange.classification.tree import TreeLearner, SklTreeLearner
from Orange.regression.tree import TreeLearner, SklTreeRegressionLearner
a = QApplication(sys.argv)
ow = OWTreeGraph()
data = Table("titanic")
# data = Table("housing")[:30]
clf = SklTreeLearner()(data)
# clf = TreeLearner()(data)
clf.instances = data
ow.ctree(clf)
ow.show()
ow.raise_()
a.exec_()
ow.saveSettings()
