本文整理汇总了Python中Orange.data.Table.has_missing_class方法的典型用法代码示例。如果您正苦于以下问题：Python Table.has_missing_class方法的具体用法？Python Table.has_missing_class怎么用？Python Table.has_missing_class使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Orange.data.Table的用法示例。
在下文中一共展示了Table.has_missing_class方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestHasClassFilter
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import has_missing_class [as 别名]
class TestHasClassFilter(unittest.TestCase):
def setUp(self):
self.table = Table('imports-85')
self.n_missing = 4
self.assertTrue(self.table.has_missing_class())
def test_has_class_filter_table(self):
filter_ = HasClass()
with_class = filter_(self.table)
self.assertEqual(len(with_class),
len(self.table) - self.n_missing)
self.assertFalse(with_class.has_missing_class())
filter_ = HasClass(negate=True)
without_class = filter_(self.table)
self.assertEqual(len(without_class), self.n_missing)
self.assertTrue(without_class.has_missing_class())
def test_has_class_filter_instance(self):
class_missing = self.table[9]
class_present = self.table[0]
filter_ = HasClass()
self.assertFalse(filter_(class_missing))
self.assertTrue(filter_(class_present))
filter_ = HasClass(negate=True)
self.assertTrue(filter_(class_missing))
self.assertFalse(filter_(class_present))
@patch('Orange.data.Table._filter_has_class', NIMOCK)
def test_has_class_filter_not_implemented(self):
self.test_has_class_filter_table()示例2: TestHasClassFilter
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import has_missing_class [as 别名]
class TestHasClassFilter(unittest.TestCase):
def setUp(self):
self.table = Table('imports-85')
self.n_missing = 4
self.assertTrue(self.table.has_missing_class())
def test_has_class_filter_table(self):
filter_ = HasClass()
with_class = filter_(self.table)
self.assertEqual(len(with_class),
len(self.table) - self.n_missing)
self.assertFalse(with_class.has_missing_class())
filter_ = HasClass(negate=True)
without_class = filter_(self.table)
self.assertEqual(len(without_class), self.n_missing)
self.assertTrue(without_class.has_missing_class())
def test_has_class_multiclass(self):
domain = Domain([DiscreteVariable("x", values="01")],
[DiscreteVariable("y1", values="01"),
DiscreteVariable("y2", values="01")])
table = Table(domain, [[0, 1, np.nan],
[1, np.nan, 0],
[1, 0, 1],
[1, np.nan, np.nan]])
table = HasClass()(table)
self.assertTrue(not np.isnan(table).any())
self.assertEqual(table.domain, domain)
self.assertEqual(len(table), 1)
def test_has_class_filter_instance(self):
class_missing = self.table[9]
class_present = self.table[0]
filter_ = HasClass()
self.assertFalse(filter_(class_missing))
self.assertTrue(filter_(class_present))
filter_ = HasClass(negate=True)
self.assertTrue(filter_(class_missing))
self.assertFalse(filter_(class_present))
@patch('Orange.data.Table._filter_has_class', NIMOCK)
def test_has_class_filter_not_implemented(self):
self.test_has_class_filter_table()