我的数据中有“0000-00-00 00:00:00”值。我该如何处理它们?
我收到以下错误;
ValueError: ('Unable to parse 0000-00-00 00:00:00', u'occurred at index 1008'))
从csv读取,我这样做了;
pd.to_datetime(data['Deadline Time'])
pd.to_datetime(data['Completed Time'])
在here的帮助下,我做到了;
def func(x,y):
if x > y:
return 'delayed by ' + str( ((x-y).seconds//60)%60) + ' minutes'
else:
return 'on time by ' + str( ((y-x).seconds//60)%60) + ' minutes'
data['time delay'] = data.apply(lambda row: func(pd.Timestamp(row['Completed Time']), pd.Timestamp(row['Deadline Time'])), axis=1)