Re: [R] Couple of Questions about Classification trees

2009-03-12 Thread Ed Merkle
(PDT) From: Jen_mp3 Subject: Re: [R] Couple of Questions about Classification trees To: r-help@r-project.org Message-ID: <22464302.p...@talk.nabble.com> Content-Type: text/plain; charset=us-ascii Okay perhaps I should've been more clear about the data. Im actually working on spectrosco

Re: [R] Couple of Questions about Classification trees

2009-03-11 Thread Jen_mp3
Okay perhaps I should've been more clear about the data. Im actually working on spectroscopic measurements from food authenticity testing. I have five different types of meat: 55 of chicken, 55 of turkey, 55 of pork, 34 of beef and 32 of lamb - 231 in total. On each of these 231 meats, 1024 spect

Re: [R] Couple of Questions about Classification trees

2009-03-11 Thread Frank E Harrell Jr
Jen_mp3 wrote: So I have 2 sets of data - a training data set and a test data set. I've been doing the analysis on the training data set and then using predict and feeding the test data through that. There are 114 rows in the training data and 117 in the test data and 1024 columns in both. It's a

[R] Couple of Questions about Classification trees

2009-03-11 Thread Jen_mp3
So I have 2 sets of data - a training data set and a test data set. I've been doing the analysis on the training data set and then using predict and feeding the test data through that. There are 114 rows in the training data and 117 in the test data and 1024 columns in both. It's actually the same