pandas.Series.nlargest¶
-
Series.
nlargest
(*args, **kwargs)[source]¶ Return the largest n elements.
Parameters: n : int
Return this many descending sorted values
keep : {‘first’, ‘last’, False}, default ‘first’
Where there are duplicate values: -
first
: take the first occurrence. -last
: take the last occurrence.take_last : deprecated
Returns: top_n : Series
The n largest values in the Series, in sorted order
See also
Notes
Faster than
.sort_values(ascending=False).head(n)
for small n relative to the size of theSeries
object.Examples
>>> import pandas as pd >>> import numpy as np >>> s = pd.Series(np.random.randn(1e6)) >>> s.nlargest(10) # only sorts up to the N requested