Predictive Analytics: Data Mining, Machine Learning and Data Science for Practitioners, 2nd Edition by Dursun Delen

Author:Dursun Delen [Dursun Delen]
Language: eng
Format: epub
Publisher: FT Press
Published: 2020-12-22T16:00:00+00:00

Figure 6.6 An illustration of building process for information fusion type model ensemble

Ensembles Are Not Perfect!

As a prospective data scientist, if you are asked to build a prediction model (or any other analytics model for that matter) you are expected to develop some of the popular model ensembles along with the standard individual models. If done properly, you will realize that ensembles are often more accurate and almost always more robust and reliable than the individual models. Although they seem like silver bullet, model ensembles are not without shortcomings, of which, following are the two most common ones:

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