The first program generates an error message and does not execute the
regression of y on x.
x<-1:10;
y<-rnorm(10) + x;
prac <- function( model, wghts ){ lm(model, weights = wghts) }
prac(model = y~x, wghts = rep(1, 10))
But the next program works:
x<-1:10;
y<-rnorm(10) + x;
prac <- function( y, x, wghts ){ lm(y~x, weights = wghts) }
prac(y=y, x=x, wghts = rep(1, 10))
I would be grateful for an explanation of why the first program does not
work. It seems to me like they should both give the same result.
Joe Boyer
Statistical Sciences
Renaissance Bldg 510, 3233-D
Mail Stop RN0320
8-275-3661
cell: (610) 209-8531
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