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stimmt
2003 Oct 30
0
Variance of a non-linear combination of the coefficient e stiamtes
...tatistics :
original bias std. error
t1* 1.391884 0.2708119 16.32276
>
bob
-----Original Message-----
From: umeno [mailto:umeno@students.uiuc.edu]
Sent: Thursday, October 30, 2003 1:19 PM
To: R-Help <r-help
Subject: [R] Variance of a non-linear combination of the coefficient
estiamtes
Hi,
I would like to know if anyone knows how to compute a variance of the
non-linear combination of the coefficient estimates.
Say, I get a model of
y~c+ax+bz (1)
where x and z are the independent variables, c is the constant estimate, and
a
and b are the coefficient estimates.
Then, I wan...