Here is how my data looks: DataFrame
TagID PlazaEntryTime PlazaID
0 2844106899 9/29/19 9:31:06 PM 1420
1 2844106896 10/29/19 9:31:06 PM 1421
2 2844106896 9/29/19 9:31:06 PM 1440
3 2844106896 12/29/19 9:31:06 PM 1422
I want to find the count of the number of rows each day for Plaza ID = 1420
I used the following code:
df['PlazaEntryTime'].groupby([df.PlazaEntryTime.dt.day,df.PlazaId==1420]).agg('count')
the output of which is the following:
PlazaEntryTime PlazaId Count
9 False 0
True 2
10 False 1
True 0
12 False 1
True 0
But I do not want the count of false results to be printed, can anyone tell me what am i doing wrong?
df[df['PlazaID']==1420].groupby(df.PlazaEntryTime.dt.day)['TagID'].agg('count')
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.