Iloc

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Function for a Pandas#DataFrame locating an index(row)

Find the latest value per ID for a dataframe like this

Index	ID	date	value
0	1	2019-06-14 23:00:03	7550.00
1	1	2019-06-15 00:00:03	7690.00
23560	17	2019-12-15 18:10:43	25.50
23561	17	2019-12-16 18:10:45	25.52

df.groupby('ID').apply(lambda d: d.iloc[-1])

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