Re: [sqlite] [EXTERNAL] Re: select for power-meter accumulated total readings

2019-10-21 Thread Petr Jakeš
> > For a (meaningful, as opposed to "all interpolated values") granularity of > 1 hour, information theory states that you need a sample every 30 minutes > or less. > > The desire to charge consumers more for "peak power" (just like utilities > have to pay more for "peak power" and less for "base

Re: [sqlite] [EXTERNAL] Re: select for power-meter accumulated total readings

2019-10-21 Thread Keith Medcalf
On Monday, 21 October, 2019 00:49, Hick Gunter wrote: >The desire to charge consumers more for "peak power" (just like utilities >have to pay more for "peak power" and less for "base load") is the >driving force behind the installation of "smart meters". This is the propaganda behind "smart

Re: [sqlite] [EXTERNAL] Re: select for power-meter accumulated total readings

2019-10-21 Thread Hick Gunter
>What about if I want 1 hour granity? (to plot a graph of daily consumption for >example) For a (meaningful, as opposed to "all interpolated values") granularity of 1 hour, information theory states that you need a sample every 30 minutes or less. The desire to charge consumers more for "peak