pandas number of observations

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Lucille
10 Feb 2017
1### first method ###
2len(df)
3### second method ###
4len(df.index)
5### third method ###
6df.shape[0]
source
Micaela
28 Sep 2016
1index = df.index
2number_of_rows = len(index)
Samuel
29 Nov 2019
1number_of_rows = len(df)
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