本文整理汇总了Python中pandas.sparse.api.SparseSeries.set_value方法的典型用法代码示例。如果您正苦于以下问题：Python SparseSeries.set_value方法的具体用法？Python SparseSeries.set_value怎么用？Python SparseSeries.set_value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pandas.sparse.api.SparseSeries的用法示例。
在下文中一共展示了SparseSeries.set_value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: TestSparseSeries
# 需要导入模块: from pandas.sparse.api import SparseSeries [as 别名]
# 或者: from pandas.sparse.api.SparseSeries import set_value [as 别名]
#.........这里部分代码省略.........
# assert_almost_equal(sp[j], dense[j])
# API change 1/6/2012
# 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_get_value(self):
tm.assert_almost_equal(self.bseries.get(10), self.bseries[10])
self.assertIsNone(self.bseries.get(len(self.bseries) + 1))
dt = self.btseries.index[10]
result = self.btseries.get(dt)
expected = self.btseries.to_dense()[dt]
tm.assert_almost_equal(result, expected)
tm.assert_almost_equal(self.bseries.get_value(10), self.bseries[10])
def test_set_value(self):
idx = self.btseries.index[7]
self.btseries.set_value(idx, 0)
self.assertEqual(self.btseries[idx], 0)
self.iseries.set_value('foobar', 0)
self.assertEqual(self.iseries.index[-1], 'foobar')
self.assertEqual(self.iseries['foobar'], 0)
def test_getitem_slice(self):
idx = self.bseries.index
res = self.bseries[::2]
tm.assertIsInstance(res, SparseSeries)
expected = self.bseries.reindex(idx[::2])
tm.assert_sp_series_equal(res, expected)
res = self.bseries[:5]
tm.assertIsInstance(res, SparseSeries)
tm.assert_sp_series_equal(res, self.bseries.reindex(idx[:5]))
res = self.bseries[5:]
tm.assert_sp_series_equal(res, self.bseries.reindex(idx[5:]))
# negative indices
res = self.bseries[:-3]
tm.assert_sp_series_equal(res, self.bseries.reindex(idx[:-3]))
def test_take(self):
def _compare_with_dense(sp):
dense = sp.to_dense()
示例2: TestSparseSeries
# 需要导入模块: from pandas.sparse.api import SparseSeries [as 别名]
# 或者: from pandas.sparse.api.SparseSeries import set_value [as 别名]
#.........这里部分代码省略.........
assert_almost_equal(sp[i], dense[i])
# j = np.float64(i)
# assert_almost_equal(sp[j], dense[j])
# API change 1/6/2012
# 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_get_value(self):
assert_almost_equal(self.bseries.get(10), self.bseries[10])
self.assert_(self.bseries.get(len(self.bseries) + 1) is None)
dt = self.btseries.index[10]
result = self.btseries.get(dt)
expected = self.btseries.to_dense()[dt]
assert_almost_equal(result, expected)
assert_almost_equal(self.bseries.get_value(10), self.bseries[10])
def test_set_value(self):
idx = self.btseries.index[7]
res = self.btseries.set_value(idx, 0)
self.assert_(res is not self.btseries)
self.assertEqual(res[idx], 0)
res = self.iseries.set_value("foobar", 0)
self.assert_(res is not self.iseries)
self.assert_(res.index[-1] == "foobar")
self.assertEqual(res["foobar"], 0)
def test_getitem_slice(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:]))
# negative indices
res = self.bseries[:-3]
assert_sp_series_equal(res, self.bseries.reindex(idx[:-3]))
def test_take(self):
def _compare_with_dense(sp):
dense = sp.to_dense()
def _compare(idx):