Re: [R] CART and CHAID

2008-07-21 Thread Achim Zeileis
D]> To: "Chua Siang Li" <[EMAIL PROTECTED]> Cc: r-help@r-project.org Subject: Re: [R] CART and CHAID Date: 07/21/08 15:17 On Mon, 21 Jul 2008, Chua Siang Li wrote: > Can I say that RPART is a modified algo of CART and PARTY a modified of > CHAID? Not truthful

Re: [R] CART and CHAID

2008-07-21 Thread Chua Siang Li
ge and the information it contains is prohibited. - Original Message From: "Prof Brian Ripley" <[EMAIL PROTECTED]> To: "Chua Siang Li" <[EMAIL PROTECTED]> Cc: r-help@r-project.org Subject: Re: [R] CART and CHAID Date: 07/21/08 1

Re: [R] CART and CHAID

2008-07-21 Thread Prof Brian Ripley
On Mon, 21 Jul 2008, Chua Siang Li wrote: Can I say that RPART is a modified algo of CART and PARTY a modified of CHAID? Not truthfully. CART is a trademark of commercial software. rpart (sic) is similar but not 'modified' from anything -- it is an independent implementation of the ide

[R] CART and CHAID

2008-07-20 Thread Chua Siang Li
Can I say that RPART is a modified algo of CART and PARTY a modified of CHAID? Thanks. Chua Siang Li Consultant - Operations Research Acceval Pte Ltd Tel: 6297 8740 Email: [EMAIL PROTECTED] Website: www.acceval-intl.com This message and any attachments (the "m