本文整理汇总了Python中pandas.core.reshape.merge._get_join_indexers方法的典型用法代码示例。如果您正苦于以下问题：Python merge._get_join_indexers方法的具体用法？Python merge._get_join_indexers怎么用？Python merge._get_join_indexers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.core.reshape.merge的用法示例。
在下文中一共展示了merge._get_join_indexers方法的3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: _join_non_unique
# 需要导入模块: from pandas.core.reshape import merge [as 别名]
# 或者: from pandas.core.reshape.merge import _get_join_indexers [as 别名]
def _join_non_unique(self, other, how='left', return_indexers=False):
from pandas.core.reshape.merge import _get_join_indexers
left_idx, right_idx = _get_join_indexers([self._ndarray_values],
[other._ndarray_values],
how=how,
sort=True)
left_idx = ensure_platform_int(left_idx)
right_idx = ensure_platform_int(right_idx)
join_index = np.asarray(self._ndarray_values.take(left_idx))
mask = left_idx == -1
np.putmask(join_index, mask, other._ndarray_values.take(right_idx))
join_index = self._wrap_joined_index(join_index, other)
if return_indexers:
return join_index, left_idx, right_idx
else:
return join_index 示例2: _join_non_unique
# 需要导入模块: from pandas.core.reshape import merge [as 别名]
# 或者: from pandas.core.reshape.merge import _get_join_indexers [as 别名]
def _join_non_unique(self, other, how='left', return_indexers=False):
from pandas.core.reshape.merge import _get_join_indexers
left_idx, right_idx = _get_join_indexers([self._ndarray_values],
[other._ndarray_values],
how=how,
sort=True)
left_idx = _ensure_platform_int(left_idx)
right_idx = _ensure_platform_int(right_idx)
join_index = np.asarray(self._ndarray_values.take(left_idx))
mask = left_idx == -1
np.putmask(join_index, mask, other._ndarray_values.take(right_idx))
join_index = self._wrap_joined_index(join_index, other)
if return_indexers:
return join_index, left_idx, right_idx
else:
return join_index 示例3: _join_non_unique
# 需要导入模块: from pandas.core.reshape import merge [as 别名]
# 或者: from pandas.core.reshape.merge import _get_join_indexers [as 别名]
def _join_non_unique(self, other, how='left', return_indexers=False):
from pandas.core.reshape.merge import _get_join_indexers
left_idx, right_idx = _get_join_indexers([self._values],
[other._values], how=how,
sort=True)
left_idx = _ensure_platform_int(left_idx)
right_idx = _ensure_platform_int(right_idx)
join_index = np.asarray(self._values.take(left_idx))
mask = left_idx == -1
np.putmask(join_index, mask, other._values.take(right_idx))
join_index = self._wrap_joined_index(join_index, other)
if return_indexers:
return join_index, left_idx, right_idx
else:
return join_index