On Thu, 24 Nov 2011, Liviu Andronic wrote:
On Thu, Nov 24, 2011 at 9:14 PM, Duncan Murdoch
<murdoch.dun...@gmail.com> wrote:
It is retained. terms(fit) will give it to you, if fit is an lm object.
Thank you. The following works nicely.
(form <- formula(y1~x1))
y1 ~ x1
x <- lm(form, anscombe)
formula(terms(x))
y1 ~ x1
However, I was hoping that there was a way to input the 'form' object
so that summary(x) would print the underlying formula used, not the
formula object name. I was thinking of something in the style of
x <- lm(deparse(form), anscombe)
summary(x)
Can this be done? Regards
Yes. That's a job for substitute (the second time today).
form <- formula(y1~x1)
x <- eval(substitute(lm(f, anscombe), list(f = form)))
summary(x)
Call:
lm(formula = y1 ~ x1, data = anscombe)
...
Liviu
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