Clever Application Of A Predictive Model
Last Updated on August 15, 2020
What if you could use a predictive model to find new combinations of attributes that do not exist in the data but could be valuable.
In Chapter 10 of Applied Predictive Modeling, Kuhn and Johnson provide a case study that does just this. It’s a fascinating and creative example of how to use a predictive model.
In this post we will discover this less obvious use of a predictive model and the types of experimental design to which it belongs.
Wet Concrete
Photo by Official U.S. Navy Page, some rights reserved
Compressive Strength of Concrete Mixtures
The problem modeled in the case study is the compressive strength of different concrete mixtures. Each record in the data is described by the amounts of ingredients of a concrete mixture, such as:
- Cement
- Fly ash
- Blast furnace slag
- Water
- Superplasticizer
- Coarse aggregate
- Fine aggregate
The property of interest from the resulting mixture is the compressive strength of the concrete. Strong concrete with less or cheaper ingredients is desirable.