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Pandas DataFrame | at_time method

Pandas
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DataFrame
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Data Selection and Renaming
schedule Jul 1, 2022
Last updated
local_offer PythonPandas
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Pandas DataFrame.at_time(~) method extracts rows that are of the specified time of day.

Parameters

1. time | string or datetime.time

The time of day.

2. axis | int or string | optional

By default, axis=0. Due to a lack of documentation, we're not too sure how this parameter can be used. If you have some insight, we'd love to chat with you!

Return Value

A DataFrame containing all the rows that are of the specified time of day.

Examples

Consider the following DataFrame:

index_date = pd.date_range("2020-12-25", periods=3, freq="12H")
df = pd.DataFrame({"A":["a","b","c"]}, index=index_date)
df
A
2020-12-25 00:00:00 a
2020-12-25 12:00:00 b
2020-12-26 00:00:00 c

To learn more about the date_range(~) method, click here for its documentation.

To fetch all rows where the time of day is "00:00" (i.e. midnight):

df.at_time("00:00")
A
2020-12-25 a
2020-12-26 c

Here, the return type is a DataFrame.

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Published by Isshin Inada
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