[R] logistic regression packages

[Feng Qiu]

Hi David:
             Thanks for you information. 2 further questions:
              1. I found out that multinom is not doing politomous logistic 
regression, do you know which function does this?
              2. the polyclass in polspline does "polychotomous" regression, 
while I'm looking for "polytomous" regression. Do you think these two are 
similar int erms of prediction?

Best,

Feng


----- Original Message ----- 
From: "David Barron" <mothsailor at googlemail.com>
To: "r-help" <r-help at stat.math.ethz.ch>
Sent: Wednesday, January 10, 2007 12:14 PM
Subject: Re: [R] logistic regression packages


> 1. multinom is is the nnet package
>
> 2. There is a polyclass function in package polspline
>
> On 10/01/07, Feng Qiu <hellokisas at gmail.com> wrote:
>> Hi All:
>>            I'm testing a set of data classification algorithms in this 
>> paper
>> (www.stat.wisc.edu/~loh/treeprogs/quest1.7/mach1317.pdf )
>> I couldn't find such algorithms in R packages:
>>            1. LOG: polytomous logistic regression (there was one in MASS
>> library: multinom. But after I update MASS library, multinom was lost.)
>>            2. POL: POLYCLASS algorithm. There is a S-Plus 
>> package(polyclass
>> library) for this algorithm, so there should be a corresponding package 
>> in
>> R, but I haven't found it so far.
>>            Any advice is appreciated.
>>
>> Best,
>>
>> Feng
>>
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>
>
> --
> =================================
> David Barron
> Said Business School
> University of Oxford
> Park End Street
> Oxford OX1 1HP
>
>
> -- 
> =================================
> David Barron
> Said Business School
> University of Oxford
> Park End Street
> Oxford OX1 1HP
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.