def test_all_missing(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, np.nan, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
util.mean_impute_frame(self.make_input(index, [values0, values1, values2]))
def test_all_missing(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, np.nan, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
util.mean_impute_frame(
self.make_input(index, [values0, values1, values2]))
def test_impute_three_series(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, 0.4, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
expected0 = [0.4, 0.4, 0.4], [1, 0, 1]
expected1 = [0.4, 0.6, 0.8], [0, 1, 0]
expected2 = [0.3, 0.0, 0.15], [0, 0, 1]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(index, [values0, values1, values2]))
assert_frame_equal(expected, actual)
def test_no_impute(self):
index = ["bla", "blue", "blo"]
values0 = [0.2, 0.4, 0.4]
values1 = [0.4, 0.8, 0.8]
values2 = [0.3, 0.0, 0.8]
expected0 = values0, [0, 0, 0]
expected1 = values1, [0, 0, 0]
expected2 = values2, [0, 0, 0]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(index, [values0, values1, values2]))
assert_frame_equal(expected, actual)
def test_impute_three_series(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, 0.4, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
expected0 = [0.4, 0.4, 0.4], [1, 0, 1]
expected1 = [0.4, 0.6, 0.8], [0, 1, 0]
expected2 = [0.3, 0.0, 0.15], [0, 0, 1]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(
self.make_input(index, [values0, values1, values2]))
assert_frame_equal(expected, actual)
def test_no_impute(self):
index = ["bla", "blue", "blo"]
values0 = [0.2, 0.4, 0.4]
values1 = [0.4, 0.8, 0.8]
values2 = [0.3, 0.0, 0.8]
expected0 = values0, [0, 0, 0]
expected1 = values1, [0, 0, 0]
expected2 = values2, [0, 0, 0]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(
self.make_input(index, [values0, values1, values2]))
assert_frame_equal(expected, actual)
def test_all_missing_not_in_subset(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, np.nan, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
subset = ["original2"]
expected0 = values0, None
expected1 = values1, None
expected2 = [0.3, 0.0, 0.15], [0, 0, 1]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(index, [values0, values1, values2]), subset=subset)
assert_frame_equal(expected, actual)
def test_impute_empty_subset(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, 0.4, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
subset = []
expected0 = values0, None
expected1 = values1, None
expected2 = values2, None
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(index, [values0, values1, values2]), subset=subset)
assert_frame_equal(expected, actual)
def test_all_missing_not_in_subset(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, np.nan, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
subset = ["original2"]
expected0 = values0, None
expected1 = values1, None
expected2 = [0.3, 0.0, 0.15], [0, 0, 1]
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(
index, [values0, values1, values2]),
subset=subset)
assert_frame_equal(expected, actual)
def test_impute_empty_subset(self):
index = ["bla", "blue", "blo"]
values0 = [np.nan, 0.4, np.nan]
values1 = [0.4, np.nan, 0.8]
values2 = [0.3, 0.0, np.nan]
subset = []
expected0 = values0, None
expected1 = values1, None
expected2 = values2, None
expected = self.make_expected(index, [expected0, expected1, expected2])
actual = util.mean_impute_frame(self.make_input(
index, [values0, values1, values2]),
subset=subset)
assert_frame_equal(expected, actual)