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Statistical Application Development with R and Python - Second Edition by Prabhanjan Narayanachar Tattar

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Understanding bagging

Bagging is an abbreviation for bootstrap aggregation. The important underlying concept here is the bootstrap, which was invented by the eminent scientist Bradley Efron. We will first digress here slightly from the CART technique and consider a very brief illustration of the bootstrap technique.

The bootstrap

Consider a random sample The bootstrap of size n from The bootstrap. Let The bootstrap be an estimator of . To begin with, we first draw a random sample of size ...

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