Ensemble learning methods
Ensemble, in general, means a group of things that are usually seen as a whole rather than in terms of the value as against the individual value. Ensembles follow a divide-and-conquer approach used to improve performance.
We will start understanding the specific algorithm with an introduction to the famous concept of the wisdom of the crowd.
The wisdom of the crowd
Imperfect judgments when aggregated in a right way result in a collective intelligence, thus resulting in a superior outcome. The wisdom of the crowd is all about this collective intelligence.
In general, the term crowd is usually associated with irrationality and the common perception that there is some influence, which sways the behavior of the crowd in the context of mobs and cults. However, the fact is that this need not always be negative and works well when working with collating intellect. The key concept of Wisdom of Crowds is that the decisions made by a group of people are always robust and accurate...