本文整理匯總了Python中pandas._libs.hashtable._SIZE_HINT_LIMIT屬性的典型用法代碼示例。如果您正苦於以下問題：Python hashtable._SIZE_HINT_LIMIT屬性的具體用法？Python hashtable._SIZE_HINT_LIMIT怎麽用？Python hashtable._SIZE_HINT_LIMIT使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類pandas._libs.hashtable的用法示例。
在下文中一共展示了hashtable._SIZE_HINT_LIMIT屬性的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: compress_group_index
# 需要導入模塊: from pandas._libs import hashtable [as 別名]
# 或者: from pandas._libs.hashtable import _SIZE_HINT_LIMIT [as 別名]
def compress_group_index(group_index, sort=True):
"""
Group_index is offsets into cartesian product of all possible labels. This
space can be huge, so this function compresses it, by computing offsets
(comp_ids) into the list of unique labels (obs_group_ids).
"""
size_hint = min(len(group_index), hashtable._SIZE_HINT_LIMIT)
table = hashtable.Int64HashTable(size_hint)
group_index = ensure_int64(group_index)
# note, group labels come out ascending (ie, 1,2,3 etc)
comp_ids, obs_group_ids = table.get_labels_groupby(group_index)
if sort and len(obs_group_ids) > 0:
obs_group_ids, comp_ids = _reorder_by_uniques(obs_group_ids, comp_ids)
return comp_ids, obs_group_ids 示例2: compress_group_index
# 需要導入模塊: from pandas._libs import hashtable [as 別名]
# 或者: from pandas._libs.hashtable import _SIZE_HINT_LIMIT [as 別名]
def compress_group_index(group_index, sort=True):
"""
Group_index is offsets into cartesian product of all possible labels. This
space can be huge, so this function compresses it, by computing offsets
(comp_ids) into the list of unique labels (obs_group_ids).
"""
size_hint = min(len(group_index), hashtable._SIZE_HINT_LIMIT)
table = hashtable.Int64HashTable(size_hint)
group_index = _ensure_int64(group_index)
# note, group labels come out ascending (ie, 1,2,3 etc)
comp_ids, obs_group_ids = table.get_labels_groupby(group_index)
if sort and len(obs_group_ids) > 0:
obs_group_ids, comp_ids = _reorder_by_uniques(obs_group_ids, comp_ids)
return comp_ids, obs_group_ids