The help page ?boot.ci says
Variance estimates are required for studentized intervals.
(and the warning you got repeated the point).
Package 'boot' is support software for a book by Davison & Hinkley
which explains how to used boot.ci() for studentized
I am trying to find studentized bootstrap intervals for the skewness of a data
set. I have tried the following (nerve.dat is a set of data containing
observations on one variable) (using Windows XP):
x <- scan("e:/Flashbackup2009/Nonparametrics/nerve.dat")
n <- length(x)
library(e1071)
skewness(
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