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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