Posts Tagged ‘ energy ’

Are Recessions Environmentally Beneficial?

February 1, 2012
By
Are Recessions Environmentally Beneficial?

Description:Total energy consumption in the United States by sector.  Vertical gray lines represent periodsof recession.Data:http://www.eia.gov/totalenergy/data/annual/index.cfm#consumptionhttp://en.wikipedia.org/wiki/List_of_recessions_in_the_Uni...

Read more »

Positive coefficient regression in R

August 5, 2011
By
Positive coefficient regression in R

Ever have a regression model where the coefficients don't make sense? I've been trying to predict electricity and gas consumption from daily activity schedules but a simple linear regression kept saying that demands should go down the more an activity is performed. Fortunately I found the nnls package and show here how you can use it to...

Read more »