[R] Returning from a function

[Liaw, Andy]

Use invisible(NULL) as the last line. 

Andy

> From: Laura Holt
> 
> Hello again.
> 
> I have a function that plots a series and adds some 
> interesting items to the 
> plot.
> 
> Fair enough.
> 
> The last statement in the function is
> return()
> 
> When the function is executed, NULL appears at the end, which is ok.
> Is there any way to prevent NULL from appearing, or is that 
> just as it 
> should be, please?
> 
> thanks again,
> Shamefacedly,
> Laura Holt
> R Version 2.1.0 Windows
> mailto: lauraholt_983 at hotmail.com
> 
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