Python 按时间索引过滤 Pandas DataFrame
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Filter Pandas DataFrame by time index
提问by user2113095
I have a pandas DataFrame from 6:36 AM to 5:31 PM. I want to remove all observations where the time is less than 8:00:00 AM. Here is my attempt:
我有一个从早上 6:36 到下午 5:31 的 Pandas DataFrame。我想删除时间小于上午 8:00:00 的所有观察结果。这是我的尝试：
df = df[df.index < '2013-10-16 08:00:00']
This does nothing, please help.
这没有任何作用，请帮忙。
采纳答案by Kevin Stone
You want df.loc[df.index < '2013-10-16 08:00:00']since you're selecting by label (index) and not by value.
您想要，df.loc[df.index < '2013-10-16 08:00:00']因为您是按标签（索引）而不是按值选择的。
