On Tue, Sep 28, 2010 at 6:22 PM, Michael Larkin <mlar...@rsmas.miami.edu> wrote: > I am trying to get R to randomly select values from my dataset (i.e. > bootstrapping) with replacement. However, my attempts at this have been > unsuccessful. Here is a basic example of what I am doing: > > I have a data vector of 8 values (i.e. data= 2,5,9,4,5,6,7,8). I used the > sample function and it worked. However, it only repeated my values in the > exact same order as the dataset. It did not randomly sample them. Here the > code for what I did: > > sample(data, replace=TRUE)
You're doing the right thing. Perhaps your random seed was set in a particular way, or perhaps you made some mistake in the execution, but I get the following: > data= c(2,5,9,4,5,6,7,8) > sample(data, replace=TRUE) [1] 5 5 5 4 9 8 2 7 which is what you likely want. Peter ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
