On Tuesday, September 6, 2016 at 9:44:17 PM UTC+2, Sean Beckett wrote:
>
> 48 hours / 20 points = 2.4 hours per point = 144 minutes:
>
> SELECT MEAN(temperature) FROM measurement WHERE time > now() - 2d GROUP BY 
> time(144m)
>

If the actual data does not cover the total interval this will lead to less 
than 20 datapoints, is there a way to specify that the datapoints should be 
grouped in such a way as to produce 20 results regardless of the first and 
last timestamps of the original data?
 

>
> On Tue, Sep 6, 2016 at 11:22 AM, Michael Reed <[email protected] 
> <javascript:>> wrote:
>
>> I am logging temperature at 15 minute increments, and wish to chart the 
>> temperature between two dates.  Instead of charting thousands of data 
>> points, I wish to reduce the data between the two dates to 20 points where 
>> each of these points is the average for its time interval.  The two dates 
>> will be at least 24 hours apart.
>>
>> How can this be accomplished?
>>
>> Thank you
>>
>> -- 
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>
>
>
> -- 
> Sean Beckett
> Director of Support and Professional Services
> InfluxDB
>

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