On Fri, 2 Feb 2007, Henric Nilsson (Public) wrote:
> Torsten, consider the following:
>
>> ### ordinal regression
>> mammoct <- ctree(ME ~ ., data = mammoexp)
> Warning message:
> no admissible split found
>> ### estimated class probabilities
>> treeresponse(mammoct, newdata = mammoexp[1:5, ])
>
On Fri, 2 Feb 2007, Henric Nilsson (Public) wrote:
> Den Fr, 2007-02-02, 06:03 skrev Stacey Buckelew:
>> Hi,
>>
>> I am working on a regression tree in Rpart that uses a continuous response
>> variable that is ordered. I read a previous response by Pfr. Ripley to a
>> inquiry regarding the abili
Den Fr, 2007-02-02, 06:03 skrev Stacey Buckelew:
> Hi,
>
> I am working on a regression tree in Rpart that uses a continuous response
> variable that is ordered. I read a previous response by Pfr. Ripley to a
> inquiry regarding the ability of rpart to handle ordinal responses in
> 2003. At that
Hi,
I am working on a regression tree in Rpart that uses a continuous response
variable that is ordered. I read a previous response by Pfr. Ripley to a
inquiry regarding the ability of rpart to handle ordinal responses in
2003. At that time rpart was unable to implement an algorithm to handle
or