Thanks for that, looks like something to sink my teeth into !
On 21 June 2016 at 13:29, Alban Hertroys wrote:
>
>> On 19 Jun 2016, at 10:58, Tim Smith wrote:
>>
>> Hi,
>>
>> My postgresql-fu is not good enough to write a query to achieve this
>> (some may well say r is a better suited tool to ac
> On 19 Jun 2016, at 10:58, Tim Smith wrote:
>
> Hi,
>
> My postgresql-fu is not good enough to write a query to achieve this
> (some may well say r is a better suited tool to achieve this !).
>
> I need to calculate what I would call a correlation window on a time
> series of data, my table l
Hi,
My postgresql-fu is not good enough to write a query to achieve this
(some may well say r is a better suited tool to achieve this !).
I need to calculate what I would call a correlation window on a time
series of data, my table looks like this :
create table data(data_date date,data_measurem
