[R] Not seeing the results of a function

Richard M. Heiberger rmh @end|ng |rom temp|e@edu
Mon Mar 30 16:45:19 CEST 2020

You need one more line In your function.

 addday <- function(stp,mcp,stpos,mcpos){
list(mcpos=mcpos, days=days)

This and the other question I just answered together say that you need to
re-read an introduction to R.

On Mon, Mar 30, 2020 at 09:45 David <parkhurs using indiana.edu> wrote:

> I’m trying to write a function that will add items to two vectors, and
> then to create a third vector that is of the form 1, 2, 3, …, length of
> one of the newly modified vectors.  My problem is that what I’ve written
> doesn’t seem to return any of those modifications.  How can I get the
> new values to be returned? Here’s the function below.  I want to add a
> value, stp, to the end of the stpos vector, a value mcp to the end of
> the mcpos vector, and the to create that days vector.  When I call this
> function with numerical values for stp and mcp, and then ask to see
> stpos, mcpos, and days, nothing has been changed.  How can I fix this?
> Here’s the function:
>  > addday <- function(stp,mcp,stpos,mcpos){stpos<-c(stpos,stp)
> + mcpos<-c(mcpos,mcp)
> + days<-c(1:length(stpos))}
> David
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