本文整理匯總了Python中pandas.core.sparse.SparseSeries.reindex方法的典型用法代碼示例。如果您正苦於以下問題：Python SparseSeries.reindex方法的具體用法？Python SparseSeries.reindex怎麽用？Python SparseSeries.reindex使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pandas.core.sparse.SparseSeries的用法示例。
在下文中一共展示了SparseSeries.reindex方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: TestSparseSeries
# 需要導入模塊: from pandas.core.sparse import SparseSeries [as 別名]
# 或者: from pandas.core.sparse.SparseSeries import reindex [as 別名]
#.........這裏部分代碼省略.........
for i in xrange(len(dense)):
assert_almost_equal(sp[i], dense[i])
# j = np.float64(i)
# assert_almost_equal(sp[j], dense[j])
# negative getitem works
for i in xrange(len(dense)):
assert_almost_equal(sp[-i], dense[-i])
_check_getitem(self.bseries, self.bseries.to_dense())
_check_getitem(self.btseries, self.btseries.to_dense())
_check_getitem(self.zbseries, self.zbseries.to_dense())
_check_getitem(self.iseries, self.iseries.to_dense())
_check_getitem(self.ziseries, self.ziseries.to_dense())
# exception handling
self.assertRaises(Exception, self.bseries.__getitem__,
len(self.bseries) + 1)
# index not contained
self.assertRaises(Exception, self.btseries.__getitem__,
self.btseries.index[-1] + BDay())
def test_get(self):
assert_almost_equal(self.bseries.get(10), self.bseries[10])
self.assert_(self.bseries.get(len(self.bseries) + 1) is None)
def test_getitem_fancy_index(self):
idx = self.bseries.index
res = self.bseries[::2]
self.assert_(isinstance(res, SparseSeries))
assert_sp_series_equal(res, self.bseries.reindex(idx[::2]))
res = self.bseries[:5]
self.assert_(isinstance(res, SparseSeries))
assert_sp_series_equal(res, self.bseries.reindex(idx[:5]))
res = self.bseries[5:]
assert_sp_series_equal(res, self.bseries.reindex(idx[5:]))
def test_take(self):
def _compare_with_dense(sp):
dense = sp.to_dense()
def _compare(idx):
dense_result = dense.take(idx).values
sparse_result = sp.take(idx)
assert_almost_equal(dense_result, sparse_result)
_compare([1., 2., 3., 4., 5., 0.])
_compare([7, 2, 9, 0, 4])
_compare([3, 6, 3, 4, 7])
self._check_all(_compare_with_dense)
self.assertRaises(Exception, self.bseries.take, [-1, 0])
self.assertRaises(Exception, self.bseries.take,
[0, len(self.bseries) + 1])
# Corner case
sp = SparseSeries(np.ones(10.) * nan)
assert_almost_equal(sp.take([0, 1, 2, 3, 4]), np.repeat(nan, 5))
def test_getslice(self):