ors (Steven D'Aprano)
> 4. Re: Help with iterators (Mitya Sirenef)
> 5. Please Help (Arijit Ukil)
>
>
> --
>
> Message: 1
> Date: Thu, 21 Mar 2013 21:39:12 -0400
> From: Mitya Sirenef
> To: tutor@python.org
> Subject: Re: [Tutor] Help with iter
On 03/21/2013 10:20 PM, Steven D'Aprano wrote:
On 22/03/13 12:39, Mitya Sirenef wrote:
>
>> You can do it with groupby like so:
>>
>>
>> from itertools import groupby
>> from operator import itemgetter
>>
>> maxDate = "2013-03-21"
>> mmax = list()
>>
>> obs.sort(key=itemgetter('date'))
>>
>> fo
On 22/03/13 12:39, Mitya Sirenef wrote:
You can do it with groupby like so:
from itertools import groupby
from operator import itemgetter
maxDate = "2013-03-21"
mmax= list()
obs.sort(key=itemgetter('date'))
for k, group in groupby(obs, key=itemgetter('date')):
group = [dob for dob
On 22/03/13 11:39, Matthew Johnson wrote:
Dear list,
I have been trying to understand out how to use iterators and in
particular groupby statements. I am, however, quite lost.
groupby is a very specialist function which is not very intuitive to
use. Sometimes I think that groupby is an excell
On 03/21/2013 08:39 PM, Matthew Johnson wrote:
Dear list,
>
> I have been trying to understand out how to use iterators and in
> particular groupby statements. I am, however, quite lost.
>
> I wish to subset the below list, selecting the observations that have
> an ID ('realtime_start') value th
Dear list,
I have been trying to understand out how to use iterators and in
particular groupby statements. I am, however, quite lost.
I wish to subset the below list, selecting the observations that have
an ID ('realtime_start') value that is greater than some date (i've
used the variable name m
