[R] FastICA

[Hans W. Borchers]

I may not have been as wrong as Prof. Ripley suggested when I wrote "The
fastICA packages for Matlab and R (...) have a common origin at the Helsinki
University of Technology."

Please consider the following lines from the 'fastICA' help page (?fastICA):

   FastICA algorithm

   Description:

        This is an R and C code implementation of the FastICA algorithm
        of Aapo Hyvarinen et al. (<URL: http://www.cis.hut.fi/aapo/>)
        to perform Independent Component Analysis (ICA) and Projection
        Pursuit.

So the C code base is not the same, I guess, but "The code has no connection
with Helsinki University of Technology" does not seem to be totally correct.

//  Hans Werner Borchers



Prof Brian Ripley wrote:
> 
> On Tue, 12 Aug 2008, someone with no signature wrote:
> 
>> Maura E Monville <maura.monville <at> gmail.com> writes:
>>
>>>
>>> Is the FastICA R implementation as good as the MatLab Implementation ?
>>> I would appreciate talking to someone who has used FastICA for R.
>>
>> The fastICA packages for Matlab and R (and there is even a version for
>> Python)
>> have a common origin at the Helsinki University of Technology. I
>> regularly use
> 
> Have you actually looked at the R one?  The code has no connection with 
> Helsinki University of Technology.  'Credit where credit is due' and all 
> that.
> 
>> Matlab and R, not seeing much of a difference in packages like these.
>>
>> //  Hans Werner Borchers
> 
> Or quite possibly someone else using Mr Borchers name.
> 
> -- 
> 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
> 
> 

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