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Python internals.concatenate_block_managers方法代碼示例

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')) 
開發者ID:Frank-qlu,項目名稱:recruit,代碼行數:52,代碼來源:concat.py

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')) 
開發者ID:birforce,項目名稱:vnpy_crypto,代碼行數:52,代碼來源:concat.py


注:本文中的pandas.core.internals.concatenate_block_managers方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。