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Last seen: Jun 23, 2026
@jamespa — as a taster, which may in fact already have given us the answer, here is the plot for the whole dataset (no setback/no setback sub sets) fo...
The mean (over the entire range of values) difference is only 20.57 - 19.28 = 1.29°C. At lower OATs this does indeed increase, as the drop in IAT duri...
I do lean to the idea that the main way setbacks save energy is by lowering the daily mean IAT. With careful timing, my setbacks start at 2100 which i...
And finally, the mean daily IAT against mean daily OAT plots. I have broken my 'Y axis must start at zero' rule because on this occasion is may make s...
Meanwhile, I have done the residual plots for the analysis. These are somewhat technical, but in general terms, these plots indicate whether it is rea...
First plot done. Initially I missed the discrete minus sign before the 100 that changes the sign of the percentage differences, but it is inluded in t...
It does, see above, getting it (and making sure it made sense) was not so simple! It's just an earlier version of the same standard daily energy ...
I now have regression equations that make sense: For OAT = 6°C: > 79.8-(8.29*6)+(0.237*36)[1] 38.592> 91.3-(9.55*6)+(0.2...
This could quickly become complex! The data points are real observed values, each one representing a 24 hour noon to noon period, with the 24 hour ene...
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