Back in the 2000s, Macalester invested in insulating a few campus-owned houses, with the hopes of leading to energy savings.
Former Mac prof Danny Kaplan accessed monthly data on energy use and other info for these addresses, before and after renovations.
Included are the following variables:
variable meaning
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therms a measure of energy use (the more energy used, the larger the therms)
address a or b
renovated whether the location had been renovated, yes or no
month from 1 to 12
hdd monthly heating degree days. a proxy measure of outside temperatures (the higher the hdd, the COLDER it was)