def reload_and_compare(ovr, suffix):
model = ovr.fit(df)
ovrPath = temp_path + "/{}".format(suffix)
ovr.save(ovrPath)
loadedOvr = OneVsRest.load(ovrPath)
self._compare_pipelines(ovr, loadedOvr)
modelPath = temp_path + "/{}Model".format(suffix)
model.save(modelPath)
loadedModel = OneVsRestModel.load(modelPath)
self._compare_pipelines(model, loadedModel)
def test_onevsrest(self):
temp_path = tempfile.mkdtemp()
df = self.spark.createDataFrame([(0.0, Vectors.dense(1.0, 0.8)),
(1.0, Vectors.sparse(2, [], [])),
(2.0, Vectors.dense(0.5, 0.5))] * 10,
["label", "features"])
lr = LogisticRegression(maxIter=5, regParam=0.01)
ovr = OneVsRest(classifier=lr)
model = ovr.fit(df)
ovrPath = temp_path + "/ovr"
ovr.save(ovrPath)
loadedOvr = OneVsRest.load(ovrPath)
self._compare_pipelines(ovr, loadedOvr)
modelPath = temp_path + "/ovrModel"
model.save(modelPath)
loadedModel = OneVsRestModel.load(modelPath)
self._compare_pipelines(model, loadedModel)
def test_onevsrest(self):
temp_path = tempfile.mkdtemp()
df = self.spark.createDataFrame([(0.0, Vectors.dense(1.0, 0.8)),
(1.0, Vectors.sparse(2, [], [])),
(2.0, Vectors.dense(0.5, 0.5))] * 10,
["label", "features"])
lr = LogisticRegression(maxIter=5, regParam=0.01)
ovr = OneVsRest(classifier=lr)
model = ovr.fit(df)
ovrPath = temp_path + "/ovr"
ovr.save(ovrPath)
loadedOvr = OneVsRest.load(ovrPath)
self._compare_pipelines(ovr, loadedOvr)
modelPath = temp_path + "/ovrModel"
model.save(modelPath)
loadedModel = OneVsRestModel.load(modelPath)
self._compare_pipelines(model, loadedModel)
def test_save_load(self):
temp_path = tempfile.mkdtemp()
sqlContext = SQLContext(self.sc)
df = sqlContext.createDataFrame(
[(0.0, Vectors.dense(1.0, 0.8)), (1.0, Vectors.sparse(2, [], [])), (2.0, Vectors.dense(0.5, 0.5))],
["label", "features"],
)
lr = LogisticRegression(maxIter=5, regParam=0.01)
ovr = OneVsRest(classifier=lr)
model = ovr.fit(df)
ovrPath = temp_path + "/ovr"
ovr.save(ovrPath)
loadedOvr = OneVsRest.load(ovrPath)
self.assertEqual(loadedOvr.getFeaturesCol(), ovr.getFeaturesCol())
self.assertEqual(loadedOvr.getLabelCol(), ovr.getLabelCol())
self.assertEqual(loadedOvr.getClassifier().uid, ovr.getClassifier().uid)
modelPath = temp_path + "/ovrModel"
model.save(modelPath)
loadedModel = OneVsRestModel.load(modelPath)
for m, n in zip(model.models, loadedModel.models):
self.assertEqual(m.uid, n.uid)
def test_save_load(self):
temp_path = tempfile.mkdtemp()
sqlContext = SQLContext(self.sc)
df = sqlContext.createDataFrame([(0.0, Vectors.dense(1.0, 0.8)),
(1.0, Vectors.sparse(2, [], [])),
(2.0, Vectors.dense(0.5, 0.5))],
["label", "features"])
lr = LogisticRegression(maxIter=5, regParam=0.01)
ovr = OneVsRest(classifier=lr)
model = ovr.fit(df)
ovrPath = temp_path + "/ovr"
ovr.save(ovrPath)
loadedOvr = OneVsRest.load(ovrPath)
self.assertEqual(loadedOvr.getFeaturesCol(), ovr.getFeaturesCol())
self.assertEqual(loadedOvr.getLabelCol(), ovr.getLabelCol())
self.assertEqual(loadedOvr.getClassifier().uid,
ovr.getClassifier().uid)
modelPath = temp_path + "/ovrModel"
model.save(modelPath)
loadedModel = OneVsRestModel.load(modelPath)
for m, n in zip(model.models, loadedModel.models):
self.assertEqual(m.uid, n.uid)