pandas.factorize()

pandas.factorize(values, sort=False, order=None, na_sentinel=-1, size_hint=None) [source]

Encode input values as an enumerated type or categorical variable

Parameters:

values : ndarray (1-d)

Sequence

sort : boolean, default False

Sort by values

na_sentinel : int, default -1

Value to mark ?not found?

size_hint : hint to the hashtable sizer

Returns:

labels : the indexer to the original array

uniques : ndarray (1-d) or Index

the unique values. Index is returned when passed values is Index or Series

note: an array of Periods will ignore sort as it returns an always sorted

PeriodIndex

doc_Pandas
2017-01-12 04:50:24
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