lm() function

hanen

Thu, May 29, 2008 2:15 PM

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.

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Thread (7 messages)

hanen lm() function May 29 Jorge Ivan Velez lm() function May 29 Cleber N.Borges lm() function May 29 Rolf Turner lm() function May 29 Roland Rau lm() function May 29 Cleber N.Borges lm() function May 29 Peter Dalgaard lm() function May 29