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2008 Jun 07
2
Using lm with a matrix?
...ound
> ydat
[,1] [,2]
[1,] 5 13
[2,] 8 17
[3,] 11 21
> lrg <- lm(y~x)
Error in eval(expr, envir, enclos) : object "y" not found
> lrg <- lm(ydat~xdat)
> lrg
Call:
lm(formula = ydat ~ xdat)
Coefficients:
[,1] [,2]
(Intercept) 2 9
xdat1 3 4
xdat2 NA NA
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