Re: [R] "no applicable method"

From: Kyle Ellrott <>
Date: Thu, 28 Jun 2007 14:12:49 -0400

You actually got it right.
I didn't realize there was a difference between a data frame and matrix. What is the difference any way? Seems like all two dimensional arrays should be equivalent.


> On Wed, 27 Jun 2007, Kyle Ellrott wrote:
>> I'm getting started in R, and I'm trying to use one of the gradient
>> boosting packages, mboost. I'm already installed the package with
>> install.packages("mboost") and loaded it with library(mboost).
>> My problem is that when I attempt to call glmboost, I get a message
>> that " Error in glmboost() : no applicable method for "glmboost" ".
>> Does anybody have an idea of what kind of problem this is
>> indicative of?
> The wrong class of input object 'x'. The help page for glmboost is
> written obscurely, but it seems to imply that it has methods for
> 'formula' and 'matrix'.
> Perhaps you passed a data frame?
>> PLEASE do read the posting guide
>> guide.html
>> and provide commented, minimal, self-contained, reproducible code.
> is pertinent. With an example and its output we would have been
> much better placed to help you.
> --
> Brian D. Ripley,
> Professor of Applied Statistics,
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595 mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Thu 28 Jun 2007 - 19:16:57 GMT

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