def test_generic_drop_with_list(self):
frame_name1 = str(uuid.uuid1()).replace('-', '_')
frame1 = ta.Frame(name=frame_name1)
frame_name2 = str(uuid.uuid1()).replace('-', '_')
ta.Frame(name=frame_name2)
# Create list with frame proxy object and frame name
frameList = [frame1, frame_name2]
# Check that the frames we just created now exist
self.assertTrue(
frame_name1 in ta.get_frame_names(),
frame_name1 + " should exist in the list of frame names")
self.assertTrue(
frame_name2 in ta.get_frame_names(),
frame_name2 + " should exist in the list of frame names")
self.assertEqual(
2, ta.drop(frameList),
"drop() should have deleted the 2 items from the list")
# Check that the frames no longer exist
self.assertFalse(
frame_name1 in ta.get_frame_names(),
frame_name1 + " should not be in the list of frame names")
self.assertFalse(
frame_name2 in ta.get_frame_names(),
frame_name2 + " should not be in the list of frame names")
def test_frame_drop(self):
print "define csv file"
csv = ta.CsvFile("/datasets/classification-compute.csv",
schema=[('a', str), ('b', ta.int32),
('labels', ta.int32),
('predictions', ta.int32)],
delimiter=',',
skip_header_lines=1)
print "create frame"
frame = ta.Frame(csv, name="test_frame_drop")
print "dropping frame by entity"
ta.drop_frames(frame)
frames = ta.get_frame_names()
self.assertFalse("test_frame_drop" in frames,
"test_frame_drop should not exist in list of frames")
frame = ta.Frame(csv, name="test_frame_drop")
print "dropping frame by name"
self.assertEqual(1, ta.drop_frames("test_frame_drop"),
"drop_frames() should have deleted one frame")
self.assertFalse("test_frame_drop" in frames,
"test_frame_drop should not exist in list of frames")
def test_arx_with_lag(self):
print "define csv file"
schema = [("y", ta.float64), ("visitors", ta.float64),
("wkends", ta.float64), ("seasonality", ta.float64),
("incidentRate", ta.float64), ("holidayFlag", ta.float64),
("postHolidayFlag", ta.float64), ("mintemp", ta.float64)]
csv = ta.CsvFile("/datasets/arx_train.csv",
schema=schema,
skip_header_lines=1)
print "create training frame"
train_frame = ta.Frame(csv)
print "Initializing a ArxModel object"
arx = ta.ArxModel()
print "Training the model on the Frame with yMaxLag = 2 and xMaxLag = 2"
coefficients = arx.train(
train_frame, "y",
["visitors", "wkends", "seasonality", "incidentRate", "mintemp"],
2, 2, True)
self.assertEqual(coefficients['coefficients'], [
-0.033117384191517614, -0.06529674497484411,
-3.328096129192338e-08, -1.4422196518869838e-08,
-2.8970459135396235e-06, 2.0984826788508606e-06, 504.6479199133054,
995.00122376607, 3.56120683505247e-08, -5.406341176251538e-08,
-7.47887430442836e-08, 7.306703786303277e-08,
2.3924223466200682e-08, 2.2165130696795696e-06, 15238.142787722905,
2.061070059690899e-08, 1.3089764633101732e-07
])
print "create test frame"
csv = ta.CsvFile("/datasets/arx_test.csv",
schema=schema,
skip_header_lines=1)
test_frame = ta.Frame(csv)
print "Predicting on the Frame"
p = arx.predict(
test_frame, "y",
["visitors", "wkends", "seasonality", "incidentRate", "mintemp"])
self.assertEqual(p.column_names, [
"y", "visitors", "wkends", "seasonality", "incidentRate",
"holidayFlag", "postHolidayFlag", "mintemp", "predicted_y"
])
expected_results = [[None], [None], [101.99999649931183],
[98.00000211077416], [111.999996872938],
[99.00000347596028], [99.00000489674761],
[86.9999967418149], [103.00000106651471],
[114.99999387693828], [100.99999426757434],
[124.99999322753226], [116.99999537263702],
[109.00000298901594], [110.99999768325104],
[104.99999176999377]]
self.assertEqual(expected_results, p.take(p.row_count, 0,
"predicted_y"))
def test_arimax_air_quality(self):
# Data from Lichman, M. (2013). UCI Machine Learning Repository [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California, School of Information and Computer Science.
print "Define csv file"
schema = [("Date", str), ("Time", str), ("CO_GT", ta.float64),
("PT08_S1_CO", ta.float64), ("NMHC_GT", ta.float64),
("C6H6_GT", ta.float64), ("PT08_S2_NMHC", ta.float64),
("NOx_GT", ta.float64), ("PT08_S3_NOx", ta.float64),
("NO2_GT", ta.float64), ("PT08_S4_NO2", ta.float64),
("PT08_S5_O3", ta.float64), ("T", ta.float64),
("RH", ta.float64), ("AH", ta.float64)]
csv = ta.CsvFile("/datasets/arimax_train.csv",
schema=schema,
skip_header_lines=1)
print "Create training frame"
train_frame = ta.Frame(csv)
print "Initializing a ArimaxModel object"
arimax = ta.ArimaxModel()
print "Training the model on the Frame"
arimax.train(train_frame, "CO_GT", ["C6H6_GT", "PT08_S2_NMHC", "T"], 1,
1, 1, 1, True, False)
print "Create test frame"
csv2 = ta.CsvFile("/datasets/arimax_test.csv",
schema=schema,
skip_header_lines=1)
test_frame = ta.Frame(csv2)
print "Predicting on the Frame"
p = arimax.predict(test_frame, "CO_GT",
["C6H6_GT", "PT08_S2_NMHC", "T"])
expected_results = [[3.9, 3.1384052036036163], [3.7, 2.2096085801345],
[6.6,
3.052618296503863], [4.4, 2.1495532900204375],
[3.5, 2.929771168550256], [5.4, 2.155756454454324],
[2.7,
2.8784218519015745], [1.9, 2.1528352219380147],
[1.6,
2.7830795782099473], [1.7, 2.1096269282113664],
[-200.0, 2.8628707912495215],
[1.0,
2.0471200633069278], [1.2, 2.7726186606363887],
[1.5,
2.0820391788568395], [2.7, 2.9878888229516978],
[3.7,
2.3182512709816443], [3.2, 3.211283519783637],
[4.1, 2.5541133101407363],
[3.6, 3.268861636132588], [2.8, 2.467897319671856]]
self.assertEqual(expected_results,
p.take(20, columns=["CO_GT", "predicted_y"]))
def test_append_frame(self):
src_frame = ta.Frame(self.csv1)
self.assertEqual(src_frame.row_count, 20)
self.assertEqual(src_frame.column_names, [name for name, type in self.schema1])
dest_frame = ta.Frame(self.csv2)
self.assertEqual(dest_frame.row_count, 10)
self.assertEqual(dest_frame.column_names,[name for name, type in self.schema2])
src_frame.append(dest_frame)
self.assertEqual(src_frame.row_count, 30)
self.assertEqual(src_frame.column_names, [name for name, type in self.combined_schema])
def test_max_air_quality(self):
# Data from Lichman, M. (2013). UCI Machine Learning Repository [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California, School of Information and Computer Science.
print "Define csv file"
schema = [("Date", str), ("Time", str), ("CO_GT", ta.float64),
("PT08_S1_CO", ta.float64), ("NMHC_GT", ta.float64),
("C6H6_GT", ta.float64), ("PT08_S2_NMHC", ta.float64),
("NOx_GT", ta.float64), ("PT08_S3_NOx", ta.float64),
("NO2_GT", ta.float64), ("PT08_S4_NO2", ta.float64),
("PT08_S5_O3", ta.float64), ("T", ta.float64),
("RH", ta.float64), ("AH", ta.float64)]
csv = ta.CsvFile("/datasets/arimax_train.csv",
schema=schema,
skip_header_lines=1)
print "Create training frame"
train_frame = ta.Frame(csv)
print "Initializing a MaxModel object"
max = ta.MaxModel()
print "Training the model on the Frame"
max.train(train_frame, "CO_GT", ["C6H6_GT", "PT08_S2_NMHC", "T"], 3, 0,
True, False)
print "Create test frame"
csv2 = ta.CsvFile("/datasets/arimax_test.csv",
schema=schema,
skip_header_lines=1)
test_frame = ta.Frame(csv2)
print "Predicting on the Frame"
p = max.predict(test_frame, "CO_GT", ["C6H6_GT", "PT08_S2_NMHC", "T"])
expected_results = [[3.9, 0.40372259585936543],
[3.7,
6.6634901462882725], [6.6, 5.981442062684975],
[4.4, 5.35837518115529], [3.5, 5.026072844339458],
[5.4, 4.569157131217689], [2.7, 4.029165833891962],
[1.9,
3.9460902496880044], [1.6, 3.779939081280088],
[1.7, 3.655325704974152],
[-200.0, 3.2399477839543613],
[1.0,
2.9076454471385293], [1.2, 3.4476367444642566],
[1.5,
2.9907210313424875], [2.7, 2.6168809024246764],
[3.7, 2.6999564866286345],
[3.2, 3.987628041789983], [4.1, 5.150686220645396],
[3.6, 6.479895567908723], [2.8, 7.642953746764134]]
self.assertEqual(expected_results,
p.take(20, columns=["CO_GT", "predicted_y"]))
def test_duplicate_frame_rename(self):
frame_name1 = str(uuid.uuid1()).replace('-', '_')
frame_name2 = str(uuid.uuid1()).replace('-', '_')
graph_name = str(uuid.uuid1()).replace('-', '_')
model_name = str(uuid.uuid1()).replace('-', '_')
# Create frames, graph, and model to test with
frame1 = ta.Frame(name=frame_name1)
frame2 = ta.Frame(name=frame_name2)
ta.Graph(name=graph_name)
ta.KMeansModel(name=model_name)
# After creating frames, check that frames with each name exists on the server
self.assertTrue(frame_name1 in ta.get_frame_names(),
frame_name1 + " should exist in list of frames")
self.assertTrue(frame_name2 in ta.get_frame_names(),
frame_name2 + " should exist in list of frames")
# Try to rename frame2 to have the same name as frame1 (we expect an exception here)
with self.assertRaises(Exception):
frame2.name = frame_name1
# Both frame names should still exist on the server
self.assertTrue(frame_name1 in ta.get_frame_names(),
frame_name1 + " should still exist in list of frames")
self.assertTrue(frame_name2 in ta.get_frame_names(),
frame_name2 + " should still exist in list of frames")
# Try to rename frame1 to have the same name as the graph (we expect an exception here)
with self.assertRaises(Exception):
frame1.name = graph_name
# frame1 and the graph should still exist on the server
self.assertTrue(
frame_name1 in ta.get_frame_names(),
frame_name1 + " should still exist in the list of frames")
self.assertTrue(
graph_name in ta.get_graph_names(),
graph_name + " should still exist in the list of graphs")
# Try to rename frame1 to have the same name as the model (we expect an exception here)
with self.assertRaises(Exception):
frame1.name = model_name
# frame1 and the model should still exist on the server
self.assertTrue(
frame_name1 in ta.get_frame_names(),
frame_name1 + " should still exist in the list of frames")
self.assertTrue(
model_name in ta.get_model_names(),
model_name + " should still exist in the list of models")
def test_arx_no_lags(self):
print "define csv file"
schema = [("y", ta.float64), ("visitors", ta.float64),
("wkends", ta.float64), ("seasonality", ta.float64),
("incidentRate", ta.float64), ("holidayFlag", ta.float64),
("postHolidayFlag", ta.float64), ("mintemp", ta.float64)]
csv = ta.CsvFile("/datasets/arx_train.csv",
schema=schema,
skip_header_lines=1)
print "create training frame"
train_frame = ta.Frame(csv)
print "Initializing a ArxModel object"
arx = ta.ArxModel()
print "Training the model on the Frame"
arx.train(train_frame, "y", [
"visitors", "wkends", "seasonality", "incidentRate", "holidayFlag",
"postHolidayFlag", "mintemp"
], 0, 0, True)
print "create test frame"
csv = ta.CsvFile("/datasets/arx_test.csv",
schema=schema,
skip_header_lines=1)
test_frame = ta.Frame(csv)
print "Predicting on the Frame"
p = arx.predict(test_frame, "y", [
"visitors", "wkends", "seasonality", "incidentRate", "holidayFlag",
"postHolidayFlag", "mintemp"
])
self.assertEqual(p.column_names, [
"y", "visitors", "wkends", "seasonality", "incidentRate",
"holidayFlag", "postHolidayFlag", "mintemp", "predicted_y"
])
expected_results = [[99.99999234330198], [98.00000220169095],
[101.99999803760333], [98.00000071010813],
[111.99999886664024], [99.00000373787175],
[99.00000353440495], [86.99999823659364],
[103.00000236184275], [114.99999178843603],
[100.9999939917012], [124.99999319338036],
[116.9999989603231], [109.00000481908955],
[110.99999666776476], [104.99999266331749]]
self.assertEqual(expected_results, p.take(p.row_count, 0,
"predicted_y"))
def test_gc_drop_stale_and_finalize(self):
csv = ta.CsvFile("/datasets/dates.csv",
schema=[('start', ta.datetime), ('id', int),
('stop', ta.datetime), ('color', str)],
delimiter=',')
f2_name = "dates_two"
if f2_name in ta.get_frame_names():
ta.drop_frames(f2_name)
f1 = ta.Frame(csv)
f1e = f1.get_error_frame()
self.assertIsNotNone(f1e)
self.assertIsNone(f1e.name)
f2 = ta.Frame(csv, name=f2_name)
f2e = f2.get_error_frame()
self.assertIsNotNone(f2e)
self.assertIsNone(f2e.name)
admin.drop_stale(
) # first, normal drop_stale, nothing should change because these frames aren't old enough
self.assertEqual("ACTIVE", f1.status)
self.assertEqual("ACTIVE", f1e.status)
self.assertEqual("ACTIVE", f2.status)
self.assertEqual("ACTIVE", f2e.status)
# print "f1.status=%s, f2.status=%s" % (f1.status, f2.status)
admin.finalize_dropped(
) # nothing is dropped, so nothing so be finalized
self.assertEqual("ACTIVE", f1.status)
self.assertEqual("ACTIVE", f1e.status)
self.assertEqual("ACTIVE", f2.status)
self.assertEqual("ACTIVE", f2e.status)
admin.drop_stale(
"1ms"
) # now drop with very tiny age, so non-name f1 should get dropped
self.assertEqual("DROPPED", f1.status)
self.assertEqual("DROPPED", f1e.status)
self.assertEqual("ACTIVE", f2.status)
self.assertEqual("ACTIVE", f2e.status)
# print "f1.status=%s, f2.status=%s" % (f1.status, f2.status)
admin.finalize_dropped(
) # on f1 and f1e are dropped, so only they should be finalized
self.assertEqual("FINALIZED", f1.status)
self.assertEqual("FINALIZED", f1e.status)
self.assertEqual("ACTIVE", f2.status)
self.assertEqual("ACTIVE", f2e.status)
def test_add_columns_and_copy_where(self):
"""
Tests UDFs for add_columns and copy(where), and uses the vector type
Changes the 2 population strings to a vector, and then uses the vector
to compute the change, and then copy out all the incorrect ones
"""
frame = ta.Frame(csv)
self.assertEquals(frame.row_count, 20, "frame should have 20 rows")
frame.add_columns(
lambda row: [
float(row['pop_2010'].translate({ord(','): None})),
float(row['population_2013'].translate({ord(','): None}))
], ("vpops", ta.vector(2)))
self.assertEquals(frame.row_count, 20, "frame should have 20 rows")
self.assertEquals(frame.column_names, [
'rank', 'city', 'population_2013', 'pop_2010', 'change', 'county',
'vpops'
])
frame.add_columns(
lambda row: (row.vpops[1] - row.vpops[0]) / row.vpops[0],
("comp_change", ta.float64))
#print frame.inspect(20)
bad_cities = frame.copy(columns=['city', 'change', 'comp_change'],
where=lambda row: row.change != "%.2f%%" %
round(100 * row.comp_change, 2))
self.assertEquals(bad_cities.column_names,
['city', 'change', 'comp_change'])
self.assertEquals(bad_cities.row_count, 1)
#print bad_cities.inspect()
row = bad_cities.take(1)[0]
row[2] = round(row[2], 5)
self.assertEquals(row, [u'Tualatin', u'4.17%', 0.03167
]) # should just be one bad one, Tualatin
def test_adf_column_types(self):
"""
Tests the Augmented Dickey-Fuller test with different column types
"""
data = [[1, "a", 1.5], [2, "b", 18.5], [4, "c", 22.1], [5, "d", 19.0],
[7, "e", 25.6], [8, "f", 36.75]]
schema = [("int_column", ta.int32), ("str_column", str),
("float_column", ta.float32)]
frame = ta.Frame(ta.UploadRows(data, schema))
try:
# string column should have an error
frame.timeseries_augmented_dickey_fuller_test("str_column", 0)
raise RuntimeError(
"Expected error since the str_column is not numerical.")
except Exception as e:
assert ("Column str_column was not numerical" in e.message)
# Numerical columns should not have an error
self.assertNotEqual(
frame.timeseries_augmented_dickey_fuller_test("int_column", 0),
None)
self.assertNotEqual(
frame.timeseries_augmented_dickey_fuller_test("float_column", 0),
None)
def test_bpt_invalid_column(self):
"""
Tests the Breusch-Pagan test with non-numerical data, and expects an error
"""
data = [[1, "a", 1.5], [2, "b", 18.5], [4, "c", 22.1], [5, "d", 19.0],
[7, "e", 25.6], [8, "f", 36.75]]
schema = [("int_column", ta.int32), ("str_column", str),
("float_column", ta.float32)]
frame = ta.Frame(ta.UploadRows(data, schema))
try:
frame.timeseries_breusch_pagan_test("str_column",
["int_column", "float_column"])
raise RuntimeError(
"Expected error since the y column specified has strings")
except Exception as e:
assert ("Column str_column was not numerical" in e.message)
try:
frame.timeseries_breusch_pagan_test("float_column",
["int_column", "str_column"])
raise RuntimeError(
"Expected error since one of the x columns specified has strings."
)
except Exception as e:
assert ("Column str_column was not numerical" in e.message)
# numerical data should not have an error
self.assertNotEqual(
frame.timeseries_breusch_pagan_test("float_column",
["int_column"]), None)
def test_lasso(self):
print "create frame"
frame = ta.Frame(ta.CsvFile("/datasets/lasso_lpsa.csv", schema=[
('y', ta.float64),
('x1', ta.float64),
('x2', ta.float64),
('x3', ta.float64),
('x4', ta.float64),
('x5', ta.float64),
('x6', ta.float64),
('x7', ta.float64),
('x8', ta.float64)], delimiter=' '))
model = ta.LassoModel()
model.train(frame, 'y', ['x1','x2','x3','x4','x5','x6','x7','x8'])
#print repr(train_output)
predicted_frame = model.predict(frame)
print predicted_frame.inspect(20, columns=['y', 'predicted_value'])
test_metrics = model.test(predicted_frame, 'predicted_value')
print str(test_metrics)
def testLinearRegression(self):
print "define csv file"
csv = ta.CsvFile("/datasets/linear_regression_8_columns.csv",
schema=[("y", ta.float64), ("1", ta.float64),
("2", ta.float64), ("3", ta.float64),
("4", ta.float64), ("5", ta.float64),
("6", ta.float64), ("7", ta.float64),
("8", ta.float64), ("9", ta.float64),
("10", ta.float64)])
print "create frame"
frame = ta.Frame(csv, 'LinearRegressionSampleFrame')
print "Initializing a LinearRegressionModel object"
model = ta.LinearRegressionModel(name='myLinearRegressionModel')
print "Training the model on the Frame"
model.train(frame, 'y',
['1', '2', '3', '4', '5', '6', '7', '8', '9', '10'])
output = model.predict(frame)
self.assertEqual(output.column_names, [
'y', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10',
'predicted_value'
])
def test_append_new_columns(self):
frame = ta.Frame(self.csv1)
self.assertEqual(frame.row_count, 20)
self.assertEqual(frame.column_names, [name for name, type in self.schema1])
frame.append(self.csv2)
self.assertEqual(frame.row_count, 30)
self.assertEqual(frame.column_names, [name for name, type in self.combined_schema])
def test_append_same_schema(self):
frame = ta.Frame(self.csv1)
self.assertEqual(frame.row_count, 20)
self.assertEqual(frame.column_names, [name for name, type in self.schema1])
frame.append(self.csv1)
self.assertEqual(frame.row_count, 40)
self.assertEqual(frame.column_names, [name for name, type in self.schema1])
def test_flatten_column_with_differing_size_vectors(self):
data = [[1,[1,2,3],[8,7]],[2,[4,5,6],[6,5]],[3,[7,8,9],[4,3]],[4,[10,11,12],[2,1]]]
schema = [('a', ta.int32), ('b', ta.vector(3)), ('c', ta.vector(2))]
test_frame = ta.Frame(ta.UploadRows(data,schema))
test_frame.flatten_columns(['b','c'])
# expected data after flattening
expected_data = [
[1,1.0,8.0],
[1,2.0,7.0],
[1,3.0,0.0],
[2,4.0,6.0],
[2,5.0,5.0],
[2,6.0,0.0],
[3,7.0,4.0],
[3,8.0,3.0],
[3,9.0,0.0],
[4,10.0,2.0],
[4,11.0,1.0],
[4,12.0,0.0]
]
self.assertEqual(test_frame.row_count, 12)
self.assertEqual(test_frame.take(test_frame.row_count), expected_data)
def test_filter(self):
frame = ta.Frame(csv)
self.assertEquals(frame.row_count, 20, "frame should have 20 rows")
frame.filter(lambda row: row.county == "Washington")
self.assertEquals(frame.row_count, 4, "frame should have 4 rows after filtering")
cities = frame.take(frame.row_count, columns="city")
self.assertEquals(sorted(map(lambda f: str(f[0]), cities)), ["Beaverton", "Hillsboro", "Tigard","Tualatin"])
def test_flatten_columns_with_strings_and_vectors_with_default_delimiter(self):
data = [[1,"1,2",[1,2],"a,b"],[2,"3,4",[3,4],"c,d"],[3,"5,6",[5,6],"e,f"],[4,"7,8",[7,8],"g,h"]]
schema = [('a', ta.int32),('b', str), ('c', ta.vector(2)), ('d', str)]
test_frame = ta.Frame(ta.UploadRows(data,schema))
# there are only 2 string columns. giving 3 delimiters should give an exception.
with self.assertRaises(Exception):
test_frame.flatten_columns(['b', 'c', 'd'], [',',',',','])
test_frame.flatten_columns(['b', 'c', 'd'])
# expected data after flattening
expected_data = [
[1,"1",1.0,"a"],
[1,"2",2.0,"b"],
[2,"3",3.0,"c"],
[2,"4",4.0,"d"],
[3,"5",5.0,"e"],
[3,"6",6.0,"f"],
[4,"7",7.0,"g"],
[4,"8",8.0,"h"]
]
self.assertEqual(test_frame.row_count, 8)
self.assertEqual(test_frame.take(test_frame.row_count), expected_data)
def test_principal_components(self):
print "define csv file"
schema = [("1", ta.float64), ("2", ta.float64), ("3", ta.float64),
("4", ta.float64), ("5", ta.float64), ("6", ta.float64),
("7", ta.float64), ("8", ta.float64), ("9", ta.float64),
("10", ta.float64), ("11", ta.float64)]
train_file = ta.CsvFile("/datasets/pca_10rows.csv", schema=schema)
print "creating the frame"
train_frame = ta.Frame(train_file)
print "initializing the naivebayes model"
p = ta.PrincipalComponentsModel()
print "training the model on the frame"
p.train(train_frame,
["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11"], 9)
print "predicting the class using the model and the frame"
output = p.predict(train_frame, c=5, t_square_index=True)
output_frame = output['output_frame']
self.assertEqual(output_frame.column_names, [
'1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 'p_1',
'p_2', 'p_3', 'p_4', 'p_5'
])
def testSvm(self):
print "define csv file"
csv = ia.CsvFile("/datasets/RandomForest.csv",
schema=[('Class', int), ('Dim_1', ia.float64),
('Dim_2', ia.float64)])
print "create frame"
frame = ia.Frame(csv)
print "Initializing the classifier model object"
classifier = ia.RandomForestClassifierModel()
print "Training the model on the Frame"
classifier.train(frame, 'Class', ['Dim_1', 'Dim_2'], num_classes=2)
print "Predicting on the Frame"
output = classifier.predict(frame)
self.assertEqual(output.column_names,
['Class', 'Dim_1', 'Dim_2', 'predicted_class'])
print "Initializing the classifier model object"
regressor = ia.RandomForestRegressorModel()
print "Training the model on the Frame"
regressor.train(frame, 'Class', ['Dim_1', 'Dim_2'])
print "Predicting on the Frame"
regressor_output = regressor.predict(frame)
self.assertEqual(regressor_output.column_names,
['Class', 'Dim_1', 'Dim_2', 'predicted_value'])
def test_category_summary_threshold(self):
print "create frame"
frame = ta.Frame(self.csv)
print "compute category summary"
cm = frame.categorical_summary(('source', {'threshold': 0.5}))
expected_result = {
u'categorical_summary': [{
u'column':
u'source',
u'levels': [{
u'percentage': 0.0,
u'frequency': 0,
u'level': u'Missing'
}, {
u'percentage': 1.0,
u'frequency': 28,
u'level': u'Other'
}]
}]
}
self.assertEquals(
cm, expected_result,
"test_category_summary_threshold expected_result %s got %s" %
(expected_result, cm))
def test_category_summary_topk(self):
print "create frame"
frame = ta.Frame(self.csv)
print "compute category summary"
cm = frame.categorical_summary(('source', {'top_k': 2}))
expected_result = {
u'categorical_summary': [{
u'column':
u'source',
u'levels': [{
u'percentage': 0.32142857142857145,
u'frequency': 9,
u'level': u'thing'
}, {
u'percentage': 0.32142857142857145,
u'frequency': 9,
u'level': u'abstraction'
}, {
u'percentage': 0.0,
u'frequency': 0,
u'level': u'Missing'
}, {
u'percentage': 0.35714285714285715,
u'frequency': 10,
u'level': u'Other'
}]
}]
}
self.assertEquals(
cm, expected_result,
"test_category_summary_topk expected_result %s got %s" %
(expected_result, cm))
def test_page_rank(self):
"""tests page_rank, +piggyback last_read_date testing"""
graph_data = "/datasets/page_rank_test_data.csv"
schema = [("followed", ta.int32), ("follows", ta.int32)]
frame = ta.Frame(ta.CsvFile(graph_data, schema))
graph = ta.Graph()
t0 = graph.last_read_date
graph.define_vertex_type("node")
graph.vertices["node"].add_vertices(frame, "follows")
t1 = graph.last_read_date
self.assertLess(t0, t1) # make sure the last_read_date is updating
graph.vertices["node"].add_vertices(frame, "followed")
graph.define_edge_type("e1", "node", "node", directed=True)
graph.edges["e1"].add_edges(frame, "follows", "followed")
t2 = graph.last_read_date
self.assertLess(t1, t2) # make sure the last_read_date is updating
result = graph.graphx_pagerank(output_property="PageRank",
max_iterations=2,
convergence_tolerance=0.001)
t3 = graph.last_read_date
self.assertLess(t2, t3) # make sure the last_read_date is updating
vertex_dict = result['vertex_dictionary']
edge_dict = result['edge_dictionary']
self.assertTrue(dict(vertex_dict['node'].schema).has_key('PageRank'))
self.assertTrue(dict(edge_dict['e1'].schema).has_key('PageRank'))
t4 = graph.last_read_date
self.assertEqual(
t3, t4) # metadata access should not have updated the date
def setUp(self):
csv = ta.CsvFile("/datasets/oregon-cities.csv",
schema=[('rank', ta.int32), ('city', str),
('population_2013', str), ('pop_2010', str),
('change', str), ('county', str)],
delimiter='|',
skip_header_lines=1)
self.frame = ta.Frame(csv)
self.graph = ta.Graph()
self.graph.define_vertex_type('city')
self.graph.define_vertex_type('population_2013')
self.graph.define_edge_type('rank',
'city',
'population_2013',
directed=False)
self.graph.vertices['city'].add_vertices(self.frame, 'city')
self.graph.vertices['population_2013'].add_vertices(
self.frame, 'population_2013')
self.graph.edges['rank'].add_edges(self.frame,
'city',
'population_2013', ['rank'],
create_missing_vertices=False)
self.vertex_frame = self.graph.vertices['city']
def setUp(self):
print "define csv file"
csv = ta.CsvFile("/datasets/flattenable.csv", schema= [('number', ta.int32),
('abc', str),
('food', str)], delimiter=',')
print "create frame"
self.frame = ta.Frame(csv)
def setUp(self):
print "define csv file"
self.csv = ta.CsvFile("/datasets/movie.csv",
schema=[('user', ta.int32), ('vertex_type', str),
('movie', ta.int32),
('rating', ta.int32), ('splits', str)])
print "creating frame"
self.frame = ta.Frame(self.csv)
def test_graph(self):
print "define csv file"
csv = ta.CsvFile("/datasets/movie.csv", schema= [('user', ta.int32),
('vertex_type', str),
('movie', ta.int32),
('rating', ta.int32),
('splits', str)])
print "creating frame"
frame = ta.Frame(csv)
# TODO: add asserts verifying inspect is working
print
print frame.inspect(20)
print
self.assertEquals(frame.row_count, 20, "frame should have 20 rows")
#self.assertEqual(frame.column_names, ['', '', '', '', ''])
self.assertEquals(len(frame.column_names), 5, "frame should have 5 columns")
print "create graph"
graph = ta.Graph()
self.assertIsNotNone(graph.uri)
print "define vertices and edges"
graph.define_vertex_type('movies')
graph.define_vertex_type('users')
graph.define_edge_type('ratings', 'users', 'movies', directed=True)
self.assertEquals(graph.vertices['users'].row_count, 0, "making sure newly defined vertex frame does not have rows")
self.assertEquals(graph.vertices['movies'].row_count, 0, "making sure newly defined vertex frame does not have rows")
self.assertEquals(graph.edges['ratings'].row_count, 0, "making sure newly defined edge frame does not have rows")
#self.assertEquals(graph.vertex_count, 0, "no vertices expected yet")
#self.assertEquals(graph.edge_count, 0, "no edges expected yet")
print "add_vertices() users"
graph.vertices['users'].add_vertices( frame, 'user', [])
# TODO: add asserts verifying inspect is working
print
print graph.vertices['users'].inspect(20)
print
self.assertEquals(graph.vertices['users'].row_count, 13)
self.assertEquals(len(graph.vertices['users'].column_names), 3)
#self.assertEquals(graph.vertices['users'].row_count, graph.vertex_count, "row count of user vertices should be same as vertex count on graph")
print "add_vertices() movies"
graph.vertices['movies'].add_vertices( frame, 'movie', [])
self.assertEquals(graph.vertices['users'].row_count, 13)
self.assertEquals(graph.vertices['movies'].row_count, 11)
self.assertEquals(len(graph.vertices['users'].column_names), 3)
self.assertEquals(len(graph.vertices['movies'].column_names), 3)
#self.assertEquals(graph.vertex_count, 24, "vertex_count should be the total number of users and movies")
print "add_edges()"
graph.edges['ratings'].add_edges(frame, 'user', 'movie', ['rating'], create_missing_vertices=False)
self.assertEquals(len(graph.edges['ratings'].column_names), 5)
self.assertEquals(graph.edges['ratings'].row_count, 20, "expected 20 rating edges")
def setUp(self):
print "define csv file"
csv = ta.CsvFile("/datasets/dates.csv",
schema=[('start', ta.datetime), ('id', int),
('stop', ta.datetime), ('color', str)],
delimiter=',')
print "create frame"
self.frame = ta.Frame(csv)
def setUp(self):
# there's already a "splits" column in this data set, but for testing purposes, it doesn't affect anything
print "define csv file"
self.schema = [('user', ta.int32), ('vertex_type', str),
('movie', ta.int32), ('rating', ta.int32),
('splits', str)]
self.csv = ta.CsvFile("/datasets/movie.csv", self.schema)
print "creating frame"
self.frame = ta.Frame(self.csv)
