[R] how to take this experiment with R?

Gabor Grothendieck ggrothendieck at myway.com
Tue Sep 21 06:10:15 CEST 2004

You can express your model like this:

   lm(X1 ~., x)

?formula gives some help on formulas although the . notation
above does not seem to be referred to there.

Date:   	Tue, 21 Sep 2004 11:52:04 +0800
From:   	rongguiwong <0034058 at fudan.edu.cn>
To:   	<r-help at stat.math.ethz.ch>
Subject:   	[R] how to take this experiment with R?

i want to generate 30 independent variables and 1 dependent variable,each has
50 draws from a unit normal distribution.
then, searching for the independent variables that together would do the best
job for fitting the denpendent variabe.

my way to generate the data is.
but is there more better way to do it?

i want to use the followling is to search the model.
but i don't know the to express the formula with lm function.i think there is
a way the express it efficently.
i try ?lm .but on result be found.

any help is welcome!

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