Re: [R] randomForest gives different results for formula call v. x, y methods. Why?

2007-04-29 Thread David L. Van Brunt, Ph.D.
In the words of Simpson (2007), "D'OH!" I knew it had to be something simple! On 4/29/07, Gavin Simpson <[EMAIL PROTECTED]> wrote: > > On Sat, 2007-04-28 at 21:13 -0400, David L. Van Brunt, Ph.D. wrote: > > Just out of curiosity, I took the default "iris" example in the RF > > helpfile... > > but

Re: [R] randomForest gives different results for formula call v. x, y methods. Why?

2007-04-29 Thread Gavin Simpson
On Sat, 2007-04-28 at 21:13 -0400, David L. Van Brunt, Ph.D. wrote: > Just out of curiosity, I took the default "iris" example in the RF > helpfile... > but seeing the admonition against using the formula interface for large data > sets, I wanted to play around a bit to see how the various options

[R] randomForest gives different results for formula call v. x, y methods. Why?

2007-04-28 Thread David L. Van Brunt, Ph.D.
Just out of curiosity, I took the default "iris" example in the RF helpfile... but seeing the admonition against using the formula interface for large data sets, I wanted to play around a bit to see how the various options affected the output. Found something interesting I couldn't find documentati