本文整理汇总了Python中pandas.sparse.api.SparseList类的典型用法代码示例。如果您正苦于以下问题：Python SparseList类的具体用法？Python SparseList怎么用？Python SparseList使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了SparseList类的15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: test_constructor
def test_constructor(self):
with tm.assert_produces_warning(FutureWarning):
lst1 = SparseList(self.na_data[:5])
with tm.assert_produces_warning(FutureWarning):
exp = SparseList()
exp.append(self.na_data[:5])
tm.assert_sp_list_equal(lst1, exp)示例2: test_append_zero
def test_append_zero(self):
arr = self.zero_data
splist = SparseList(fill_value=0)
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
sparr = splist.to_array()
assert_sp_array_equal(sparr, SparseArray(arr, fill_value=0))示例3: test_append_na
def test_append_na(self):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
sparr = splist.to_array()
assert_sp_array_equal(sparr, SparseArray(arr))示例4: test_append_na
def test_append_na(self):
with tm.assert_produces_warning(FutureWarning):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
sparr = splist.to_array()
tm.assert_sp_array_equal(sparr, SparseArray(arr))示例5: test_append_zero
def test_append_zero(self):
with tm.assert_produces_warning(FutureWarning):
arr = self.zero_data
splist = SparseList(fill_value=0)
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
sparr = splist.to_array()
tm.assert_sp_array_equal(sparr, SparseArray(arr, fill_value=0))示例6: test_len
def test_len(self):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
self.assertEquals(len(splist), 5)
splist.append(arr[5])
self.assertEquals(len(splist), 6)
splist.append(arr[6:])
self.assertEquals(len(splist), 10)示例7: test_append_zero
def test_append_zero(self):
with tm.assert_produces_warning(FutureWarning):
arr = self.zero_data
splist = SparseList(fill_value=0)
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
# list always produces int64, but SA constructor
# is platform dtype aware
sparr = splist.to_array()
exp = SparseArray(arr, fill_value=0)
tm.assert_sp_array_equal(sparr, exp, check_dtype=False)示例8: test_getitem
def test_getitem(self):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
for i in range(len(arr)):
assert_almost_equal(splist[i], arr[i])
assert_almost_equal(splist[-i], arr[-i])示例9: test_len
def test_len(self):
with tm.assert_produces_warning(FutureWarning):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
self.assertEqual(len(splist), 5)
splist.append(arr[5])
self.assertEqual(len(splist), 6)
splist.append(arr[6:])
self.assertEqual(len(splist), 10)示例10: test_getitem
def test_getitem(self):
with tm.assert_produces_warning(FutureWarning):
arr = self.na_data
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
for i in range(len(arr)):
tm.assert_almost_equal(splist[i], arr[i])
tm.assert_almost_equal(splist[-i], arr[-i])示例11: test_copy
def test_copy(self):
arr = self.na_data
exp_sparr = SparseArray(arr)
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
cp = splist.copy()
cp.append(arr[6:])
self.assertEquals(splist.nchunks, 2)
assert_sp_array_equal(cp.to_array(), exp_sparr)示例12: test_copy
def test_copy(self):
with tm.assert_produces_warning(FutureWarning,
check_stacklevel=False):
arr = self.na_data
exp_sparr = SparseArray(arr)
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
cp = splist.copy()
cp.append(arr[6:])
self.assertEqual(splist.nchunks, 2)
tm.assert_sp_array_equal(cp.to_array(), exp_sparr)示例13: test_consolidate
def test_consolidate(self):
arr = self.na_data
exp_sparr = SparseArray(arr)
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
consol = splist.consolidate(inplace=False)
self.assertEqual(consol.nchunks, 1)
self.assertEqual(splist.nchunks, 3)
assert_sp_array_equal(consol.to_array(), exp_sparr)
splist.consolidate()
self.assertEqual(splist.nchunks, 1)
assert_sp_array_equal(splist.to_array(), exp_sparr)示例14: test_constructor
def test_constructor(self):
lst1 = SparseList(self.na_data[:5])
exp = SparseList()
exp.append(self.na_data[:5])
assert_sp_list_equal(lst1, exp)示例15: test_consolidate
def test_consolidate(self):
with tm.assert_produces_warning(FutureWarning,
check_stacklevel=False):
arr = self.na_data
exp_sparr = SparseArray(arr)
splist = SparseList()
splist.append(arr[:5])
splist.append(arr[5])
splist.append(arr[6:])
consol = splist.consolidate(inplace=False)
self.assertEqual(consol.nchunks, 1)
self.assertEqual(splist.nchunks, 3)
tm.assert_sp_array_equal(consol.to_array(), exp_sparr)
splist.consolidate()
self.assertEqual(splist.nchunks, 1)
tm.assert_sp_array_equal(splist.to_array(), exp_sparr)