[R] ACE/AVAS with bootstrap

I am using ACE/AVAS to fit a non-parametric regression model to a multivariate data set. Is there a way to add confidence intervals to the fit and predictions by using bootstrap? Thanks for any suggestions. [[alternative HTML version deleted]]

[R] Exponential integral

Is there an R function for evaluating the exponential integral Ei(x) = INT(-inf,x) exp(t)/t dt [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting gu