pandas.Series.nlargest — pandas 0.16.2 documentation (original) (raw)
Series.nlargest(n=5, take_last=False)¶
Return the largest n elements.
Parameters: | n : int Return this many descending sorted values take_last : bool Where there are duplicate values, take the last duplicate |
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Returns: | top_n : Series The n largest values in the Series, in sorted order |
Notes
Faster than .order(ascending=False).head(n) for small n relative to the size of the Series 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