Is the HERS Index (tm) bad data?
And should you care?
What does Data do?
The point of data is to allow us to make more informed decisions. The quality of your decisions is dependent on the quality of the data you use to make those decisions.
The three key data quality dimensions for decision making are reliability, variation, and validity.
According to Dr. Thomas C. Redman, a leading data scientist, “Understanding variation leads to a better feel for the overall problem, deeper insights, and novel ideas for improvement.”