[R] "no applicable method"

[Prof Brian Ripley]

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 
> http://www.R-project.org/posting-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,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595