[R] function kde2d

[Prof Brian Ripley]

Do you mean the one in package MASS?  If so, you need to consult the 
reference on its help page (although the bandwidth is actually given on 
the help page).

It is courteous to credit other people's work in contributed packages.

The author of MASS::kde2d

On Thu, 19 Jan 2006, Marta Colombo wrote:

> Good evening,
> I am Marta Colombo, student at Milan's Politecnico.
> Thank you very much for your kindness, this mailing list is really useful.
> I am using the function kde2d for two-dimensional kernel density
estimation and I'd like to know something more about this kind of
density estimator. In particular I'd like to know: what bandwidth is used ?
> Thank you in advance for your attention
>
> Marta Colombo

-- 
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