[R] error bars

Christoph Scherber Christoph.Scherber at uni-jena.de
Sat Aug 21 12:38:05 CEST 2004

Dear all,

is there an easy way to create error bars for the following types of plots:

a) barplots
b) interaction plots

Many other statistics packages (e.g. Statistica) offer very nice 
interaction plots with error bars, and I´d like to be able to do the 
same in R.

Best regards

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