本文整理匯總了Python中pandas.core.internals.concatenate_block_managers方法的典型用法代碼示例。如果您正苦於以下問題:Python internals.concatenate_block_managers方法的具體用法?Python internals.concatenate_block_managers怎麽用?Python internals.concatenate_block_managers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.internals
的用法示例。
在下文中一共展示了internals.concatenate_block_managers方法的2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: get_result
# 需要導入模塊: from pandas.core import internals [as 別名]
# 或者: from pandas.core.internals import concatenate_block_managers [as 別名]
def get_result(self):
# series only
if self._is_series:
# stack blocks
if self.axis == 0:
name = com.consensus_name_attr(self.objs)
mgr = self.objs[0]._data.concat([x._data for x in self.objs],
self.new_axes)
cons = _concat._get_series_result_type(mgr, self.objs)
return cons(mgr, name=name).__finalize__(self, method='concat')
# combine as columns in a frame
else:
data = dict(zip(range(len(self.objs)), self.objs))
cons = _concat._get_series_result_type(data)
index, columns = self.new_axes
df = cons(data, index=index)
df.columns = columns
return df.__finalize__(self, method='concat')
# combine block managers
else:
mgrs_indexers = []
for obj in self.objs:
mgr = obj._data
indexers = {}
for ax, new_labels in enumerate(self.new_axes):
if ax == self.axis:
# Suppress reindexing on concat axis
continue
obj_labels = mgr.axes[ax]
if not new_labels.equals(obj_labels):
indexers[ax] = obj_labels.reindex(new_labels)[1]
mgrs_indexers.append((obj._data, indexers))
new_data = concatenate_block_managers(
mgrs_indexers, self.new_axes, concat_axis=self.axis,
copy=self.copy)
if not self.copy:
new_data._consolidate_inplace()
cons = _concat._get_frame_result_type(new_data, self.objs)
return (cons._from_axes(new_data, self.new_axes)
.__finalize__(self, method='concat'))
示例2: get_result
# 需要導入模塊: from pandas.core import internals [as 別名]
# 或者: from pandas.core.internals import concatenate_block_managers [as 別名]
def get_result(self):
# series only
if self._is_series:
# stack blocks
if self.axis == 0:
name = com._consensus_name_attr(self.objs)
mgr = self.objs[0]._data.concat([x._data for x in self.objs],
self.new_axes)
cons = _concat._get_series_result_type(mgr, self.objs)
return cons(mgr, name=name).__finalize__(self, method='concat')
# combine as columns in a frame
else:
data = dict(zip(range(len(self.objs)), self.objs))
cons = _concat._get_series_result_type(data)
index, columns = self.new_axes
df = cons(data, index=index)
df.columns = columns
return df.__finalize__(self, method='concat')
# combine block managers
else:
mgrs_indexers = []
for obj in self.objs:
mgr = obj._data
indexers = {}
for ax, new_labels in enumerate(self.new_axes):
if ax == self.axis:
# Suppress reindexing on concat axis
continue
obj_labels = mgr.axes[ax]
if not new_labels.equals(obj_labels):
indexers[ax] = obj_labels.reindex(new_labels)[1]
mgrs_indexers.append((obj._data, indexers))
new_data = concatenate_block_managers(
mgrs_indexers, self.new_axes, concat_axis=self.axis,
copy=self.copy)
if not self.copy:
new_data._consolidate_inplace()
cons = _concat._get_frame_result_type(new_data, self.objs)
return (cons._from_axes(new_data, self.new_axes)
.__finalize__(self, method='concat'))