Hey everybody,
I have a problem with the combination of the commands outer() and predict(). I
want to visualize the solutions of a regression modell in a matrix. Therefore I
want to use the command predict for a linear modell as the function inside the
command outer. I've made a small example:
x = 1:10
y = 11:20
z = rnorm(10)
lm.1 = lm(z ~ x*y)
mat = outer(x,y, predict, lm.1)
That didn't work, but I don't understand why? Isn't it possible to combine
these two commands? I hope my intention becomes clear.
I'm looking forward for any ideas or hints, that might help me.
I wish everybody a nice weekend.
Best regards
Etienne
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