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Published in:
2009 | OriginalPaper | Chapter
Bootstrap Methods
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Resampling methods involve the use of many samples, each taken from a single sample that was taken from the population of interest. Inference based on resampling makes use of the conditional sampling distribution of a new sample (the “resample”) drawn from a given sample. Statistical functions on the given sample, a finite set, can easily be evaluated. Resampling methods therefore can be useful even when very little is known about the underlying distribution. A basic idea in bootstrap resampling is that, because the observed sample contains all the available information about the underlying population, the observed sample can be considered
to be
the population; hence, the distribution of any relevant test statistic can be simulated by using random samples from the “population” consisting of the original sample.