[R] Appending Data to A n Existing List...

David Winsemius dwinsemius at comcast.net
Fri Feb 19 00:33:00 CET 2010

On Feb 18, 2010, at 6:15 PM, Jason Rupert wrote:

> What steps can be take to append data to a list?
> Suppose I have the following list and want to append a z axist to  
> the list?
> pts <- list(x=cars[,1], y=cars[,2])
> z<-rnorm(max(dim(cars)))
> How would I go about appending z to an existing list?

"Appending" is a bit vague, but why not:

pts$z <- z   # waht I think you meant

?  or

pts[[3]] <- z   # not exactly the same and probably not what you wanted

David Winsemius, MD
Heritage Laboratories
West Hartford, CT

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