Displaying 2 results from an estimated 2 matches for "listofvars".
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listofvar
2002 Aug 05
1
constructing a formula
Dear Listers,
I am having trouble figuring out how to build a formula using a variable
list. For example, I have:
a _ data.frame(a=rnorm(1000))
a$b_rnorm(1000)+.5*a$a
a$c_rnorm(1000)+.5*a$b
a$d_rnorm(1000)+.5*a$b+.1*a$a
attach(a)
and I estimate,
lm(d ~ b+c+d)
BUT,
I wish to construct a generalized solution in which,
ListOfVar _ c('b','c','d')
The question is how
2018 Oct 15
2
sys.call() inside replacement functions incorrectly returns *tmp*
Kia Ora
> Although I'm not sure what problem it would solve...
Given that you asked, I was interested in writing a multiple assignment
function as a replacement function, so something like:
massign (x, y, z) = construct.some list ()
Obviously, that's not possible.
Probably the best example I can think of is converting cartesian
coordinates to polar coordinates.
Then we might have