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lab 2, future-proof-ness of solutions. #3

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giulioungaretti opened this issue Jun 19, 2014 · 0 comments
Open

lab 2, future-proof-ness of solutions. #3

giulioungaretti opened this issue Jun 19, 2014 · 0 comments

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@giulioungaretti
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 half_hour_grouped = log_df.groupby(lambda row: pd.to_datetime(str(log_df['date'][row].hour) + ":" +
str((log_df['date'][row].minute / 30)*30))) 

is really smart but maybe better to highlight the nature of the integer division,

 half_hour_grouped = log_df.groupby(lambda row: pd.to_datetime(str(log_df['date'][row].hour) + ":" +
str((log_df['date'][row].minute // 30)*30))) 
@dcrankshaw dcrankshaw reopened this Jul 2, 2014
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