[R] Function not returning a vector?

Peter Dalgaard p.dalgaard at biostat.ku.dk
Thu Aug 28 20:44:30 CEST 2008


rkevinburton at charter.net wrote:
> Why does:
>
> (shape/scale) * (1:365/scale)^(shape - 1)
>
> return a vector of numbers but calling a function
>
> hasard(1:365,shape,scale)
>
> defined like:
>
> hazard <- function(x,shape,scale)
> {
>    return (shape/scale) * (x/scale)^(shape - 1)
> }
>
> Only return a single value? It is like x becomes a single value passed as an argument.
>
>   
No, but "return" is syntactically like a function name. Watch your 
parentheses....

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907



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