Re: [R] lm() function

From: Cleber Nogueira Borges <klebyn_at_yahoo.com.br>
Date: Thu, 29 May 2008 19:12:58 -0300

hanen wrote:
> hi,
> my linear model is y=c+a*x1+b*x2 i tried to found a, c, b by the use of:
> mymodel<-lm(y~1+x1+x2) where y, x1, x2 are 3 vectors with the same length
> the result is a=NA.so i want to know where is the problem.
>

It's the sum of x1 and x2 equal to one?
run the command: round( sum( c(x1,x2) ),12)==1

cleber                 


Experimente jŠ e veja as novidades.



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