Login Register

Index.unique()

Index.unique() [source]

Return Index of unique values in the object. Significantly faster than numpy.unique. Includes NA values. The order of the original is preserved.

Returns:	uniques : Index

Links:

http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.Index.unique.html

doc_Pandas

2025-01-10 15:47:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

Internals//Index Access Method: Index Uniqueness Checks PostgreSQL enforces SQL uniqueness constraints using unique indexes, which are indexes that disallow multiple entries with identical keys. An access

Unique Indexes Indexes can also be used to enforce uniqueness of a column's value, or the uniqueness of the combined values of more than one column. CREATE UNIQUE

Index.is_unique Index.is_unique = None

Index.get_indexer_non_unique() Index.get_indexer_non_unique(target) [source] return an indexer suitable for taking from a non unique index return the labels in the same order a

TimedeltaIndex.get_indexer_non_unique() TimedeltaIndex.get_indexer_non_unique(target) [source] return an indexer suitable for taking from a non unique index return the labels in the sam