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Monday, March 25, 2019

Bootstrapping Techniques

Useful and good introduction.     Was used long before AI techniques.

The bootstrap. The Swiss army knife of any data scientist
Applications of the bootstrap techniques in R
By Gianluca Malato

Bootstrap in a nutshell
Bootstrap is a technique made in order to measure confidence intervals and/or standard error of an observable that can be calculated on a sample.

It relies on the concept of resampling, which is a procedure that, starting from a data sample, simulates a new sample of the same size, considering every original value with replacement. Each value is taken at the same probability of the others (which is 1/N).  .... "

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