Message-ID: <da79af331001081202n1bb0f799n6c293416b82c3ce@mail.gmail.com>
Date: 2010-01-08T20:02:05Z
From: Henrique Dallazuanna
Subject: Using outer with function predict
In-Reply-To: <2011262064@web.de>
Try this:
outer(x, y, FUN = function(x, y)predict(lm.1, data.frame(x, y)))
On Fri, Jan 8, 2010 at 5:49 PM, Etienne Stockhausen <einohr2002 at web.de> wrote:
> 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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--
Henrique Dallazuanna
Curitiba-Paran?-Brasil
25? 25' 40" S 49? 16' 22" O