Le 16.09.2005 17:11, xpRt.wannabe a écrit : >Dear List, > >I am using R to learn bootstrapping concepts. Not to be oblivious to >the >contributed packages of boot and bootstrap, I have opted to do the >following as a way to hone my R skills. > >One example I am trying to work through is the following: > >x <- 1:20 >Observed <- sample(x,20) >Resamples <- replicate(1000,sample(Observed,replace=TRUE)) >Boot.Means <- apply(Resamples,2,mean) >plot(density(Boot.Means)) > >For the life of me, I can't seem to figure out how to add two lines to >the >density plot: > >1. A line that represents the mean of Boot.Means >2. A line that represents the mean of Observed > > R> abline(v=mean(Boot.Means))
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