R Programming/Bootstrap

  • boot package includes functions from the book Bootstrap Methods and Their Applications by A. C. Davison and D. V. Hinkley (1997, CUP)
  • bootstrap package.

Quick how-to


Do a bootstrap of some data for some function (here, mean):

 b <- boot(data, function(data, id) { mean(data[id]) }, 1000)

Use this to compute a 90%-confidence interval:

 boot.ci(b, .9, type="norm")


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