Linear Regression Analysis w Degree Days.net

Anyone who has to answer questions like, "why did our utility bill go up last month?" should already be familiar with the website www.degreedays.net. If you're not, though, get ready for a crash-course in this fantastic resource... The information below are just several small examples of what you'll find on the site.

There's more to degree days than many people realize... And understanding them well is the key to using them effectively... Because in addition to being very helpful in data analysis for energy professionals, degree days can be uncommonly good at leading the best intentioned energy-saving efforts in the wrong direction!

For the professional energy manager or consultant:
If you take the time to read their "Degree Days - Handle with Care!" article, we believe that you will gain a level of understanding that will put you head and shoulders above the majority of your peers. It's long, and it's pretty heavy going, but we're confident that you will find it a worthwhile investment of your time.

Quite likely you will also find our article on regression analysis useful. It explains a little-known, but highly-effective technique for determining the base temperature of a building.

For the beginner:
We've written an easy-going introductory guide to degree days - it explains exactly what degree days are, where they come from, and why people typically use them. You're already here getting data so you probably know why you want to use them, but if you're uncertain about the rest you should find the article pretty helpful.