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[ENH] Parameter Fitter: more responsive when changing settings #7027

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[ENH] Parameter Fitter: more responsive when changing settings #7027

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0e682dd
Parameter Fitter: more responsive when changing settings
markotoplak Feb 12, 2025
8be7cbc
test_owparameterfitter: try to make tests faster
markotoplak Feb 13, 2025
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18 changes: 13 additions & 5 deletions Orange/widgets/evaluate/owparameterfitter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
from Orange.evaluation import CrossValidation, TestOnTrainingData, Results
from Orange.evaluation.scoring import Score, AUC, R2
from Orange.modelling import Fitter
from Orange.util import dummy_callback
from Orange.util import dummy_callback, wrap_callback
from Orange.widgets import gui
from Orange.widgets.settings import Setting
from Orange.widgets.utils import userinput
Expand All @@ -42,12 +42,19 @@
def _validate(
data: Table,
learner: Learner,
scorer: type[Score]
scorer: type[Score],
progress_callback: Callable
) -> tuple[float, float]:
res: Results = TestOnTrainingData()(data, [learner],
suppresses_exceptions=False)
suppresses_exceptions=False,
callback=wrap_callback(
progress_callback, 0, 1/(1+N_FOLD))
)
res_cv: Results = CrossValidation(k=N_FOLD)(data, [learner],
suppresses_exceptions=False)
suppresses_exceptions=False,
callback=wrap_callback(
progress_callback, 1/(1+N_FOLD), 1.)
)
# pylint: disable=unsubscriptable-object
return scorer(res)[0], scorer(res_cv)[0]

Expand All @@ -68,7 +75,8 @@ def _search(
progress_callback(i / len(steps))
params = initial_parameters.copy()
params[name] = value
result = _validate(data, type(learner)(**params), scorer)
result = _validate(data, type(learner)(**params), scorer,
wrap_callback(progress_callback, i / len(steps), (i+1) / len(steps)))
scores.append((value, result))
return scores, scorer.name, fitted_parameter_props.label

Expand Down
28 changes: 14 additions & 14 deletions Orange/widgets/evaluate/tests/test_owparameterfitter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -228,11 +228,11 @@ def check(cases):
def test_steps_preview(self):
self.send_signal(self.widget.Inputs.data, self._housing)
self.send_signal(self.widget.Inputs.learner, self._pls)
self.wait_until_finished()
self.widget.cancel()
self.assertEqual(self.widget.range_preview.steps(), (1, 2))

self.widget.controls.type.buttons[1].click()
self.wait_until_finished()
self.widget.cancel()
self.assertIsNone(self.widget.range_preview.steps())

def test_on_parameter_changed(self):
Expand Down Expand Up @@ -283,11 +283,11 @@ def test_initial_parameters(self):

self.send_signal(self.widget.Inputs.learner, self._pls)
self.assertEqual(len(self.widget.initial_parameters), 3)
self.wait_until_finished()
self.widget.cancel()

self.send_signal(self.widget.Inputs.learner, self._rf)
self.assertEqual(len(self.widget.initial_parameters), 13)
self.wait_until_finished()
self.widget.cancel()

self.send_signal(self.widget.Inputs.data, None)
self.assertEqual(len(self.widget.initial_parameters), 14)
Expand All @@ -297,32 +297,32 @@ def test_initial_parameters(self):

def test_bounds(self):
self.widget.controls.minimum.setValue(-3)
self.widget.controls.maximum.setValue(6)
self.widget.controls.maximum.setValue(2)
self.send_signal(self.widget.Inputs.learner, self._pls)
self.send_signal(self.widget.Inputs.data, self._housing)
self.send_signal(self.widget.Inputs.learner, None)
self.widget.controls.minimum.setValue(-3)
self.widget.controls.maximum.setValue(6)
self.widget.controls.maximum.setValue(2)
self.send_signal(self.widget.Inputs.learner, self._pls)
self.wait_until_finished()
self.assertFalse(self.widget.Error.unknown_err.is_shown())

def test_saved_workflow(self):
self.send_signal(self.widget.Inputs.data, self._housing)
self.send_signal(self.widget.Inputs.learner, self._dummy)
self.wait_until_finished()
self.widget.cancel()
simulate.combobox_activate_index(
self.widget.controls.parameter_index, 2)
self.widget.controls.minimum.setValue(3)
self.widget.controls.maximum.setValue(6)
self.wait_until_finished()
self.widget.cancel()

settings = self.widget.settingsHandler.pack_data(self.widget)
widget = self.create_widget(OWParameterFitter,
stored_settings=settings)
self.send_signal(widget.Inputs.data, self._housing, widget=widget)
self.send_signal(widget.Inputs.learner, self._dummy, widget=widget)
self.wait_until_finished(widget=widget)
widget.cancel()
self.assertEqual(widget.controls.parameter_index.currentText(), "Baz")
self.assertEqual(widget.minimum, 3)
self.assertEqual(widget.maximum, 6)
Expand Down Expand Up @@ -538,12 +538,12 @@ def check(cases):
w: OWParameterFitter = self.widget
self.send_signal(w.Inputs.data, self._housing)
self.send_signal(w.Inputs.learner, self._dummy)
self.wait_until_finished()
self.widget.cancel()
w.type = w.MANUAL

# No limits
simulate.combobox_activate_index(w.controls.parameter_index, 3)
self.wait_until_finished()
self.widget.cancel()
check([("1, 2, ..., 5", (1, 2, 3, 4, 5)),
("1, 2, 3, ..., 5, 6, 7", (1, 2, 3, 4, 5, 6, 7)),
("3, ..., 5, 6", (3, 4, 5, 6)),
Expand All @@ -555,7 +555,7 @@ def check(cases):

# 5 to 10
simulate.combobox_activate_index(w.controls.parameter_index, 1)
self.wait_until_finished()
self.widget.cancel()
check([("4, 5, ..., 8", ()),
("5, 6, ..., 12", ()),
("5, 6, ..., 9", (5, 6, 7, 8, 9)),
Expand All @@ -569,7 +569,7 @@ def check(cases):

# 5 to None
simulate.combobox_activate_index(w.controls.parameter_index, 0)
self.wait_until_finished()
self.widget.cancel()
check([("4, 5, ..., 8", ()),
("5, 6, ..., 12", (5, 6, 7, 8, 9, 10, 11, 12)),
("6, 7, ..., 9", (6, 7, 8, 9)),
Expand All @@ -580,7 +580,7 @@ def check(cases):

# None to 10
simulate.combobox_activate_index(w.controls.parameter_index, 2)
self.wait_until_finished()
self.widget.cancel()
check([("4, 5, ..., 8", (4, 5, 6, 7, 8)),
("5, 6, ..., 12", ()),
("5, 6, ..., 9", (5, 6, 7, 8, 9)),
Expand Down
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