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Posted By: goodevansHmm - I'm usually quite good at data representation - but I'm struggling to see the point here - it seems that one non zero intercept has been exchange for another. Has anyone else got a handle on what is trying to be said here?
Posted By: gyrogearDoes this mean that the average outside temp in France is 2.5Â°C higher than in UK ?
Posted By: djhThere is exactly one temperature that is correct for use as the base temperature for each building, unique to that building.That is my thought also so if you get the right base temperature the intercept would be 0kWh for 0 degrees.
Posted By: goodevansThat is my thought also so if you get the right base temperature the intercept would be 0kWh for 0 degrees.
However the article writer appears to be striving for a linear relationship as a priority. I think the problem with the data set is that the degree day count and/or the energy usage is averaged over a week - during a week that is both above and below the base temperature there will still be heating but the degree days will average to zero perhaps.
Posted By: Paul in Montreal15.5C is used in the UK because people seem to like cold houses!!I think you said it here - the base temperature is based on what the target temperature is.
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