Pandas between_time 不断给出索引错误

Question

I'm new to programming and i'm building a first python project. I'm trying to drop the rows in a pandas dataframe between 22:00 and 06:00. I'm trying to use the between_time function but it keeps giving the error: Index must be DatetimeIndex But i already set the index to a datetime field:

google_fit_df.set_index(['Begintijd'], drop=False)

[Datatype 'Begintijd']

[Output]

google_fit_df.between_time('22:00','24:00')

And then i get the following error:

TypeError Traceback (most recent call last) in ----> 1 google_fit_df.between_time('22:00','24:00')

~\Anaconda3\lib\site-packages\pandas\core\generic.py in between_time(self, start_time, end_time, include_start, include_end, axis) 7974 index = self._get_axis(axis) 7975 if not isinstance(index, DatetimeIndex): -> 7976 raise TypeError("Index must be DatetimeIndex") 7977 7978 indexer = index.indexer_between_time(

TypeError: Index must be DatetimeIndex

Hope anyone can tell me what i'm doing wrong here:) Thanks!

Answer 1

Try using a different format just like Kirubaharan J posted in here: https://stackoverflow.com/a/27032197/14481779

format = '%Y-%m-%d %H:%M:%S'
df['Begintijd'] = pd.to_datetime(df['Begintijd'], format=format)
df = df.set_index(pd.DatetimeIndex(df['Begintijd']))