Re: [R] unexpected GAM result - at least for me!

2008-04-02 Thread Daniel Malter
2:44 PM An: Duncan Murdoch Cc: r-help@r-project.org Betreff: Re: [R] unexpected GAM result - at least for me! Hi, I've compared observed and predicted and they match 100%. For 90% probability of occurrence: table(can0,fitted(can3.gam)0.9) FALSE TRUE FALSE230 TRUE

Re: [R] unexpected GAM result - at least for me!

2008-04-01 Thread Monica Pisica
, Monica Date: Mon, 31 Mar 2008 09:30:01 -0400 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: r-help@r-project.org Subject: Re: [R] unexpected GAM result - at least for me! On 3/31/2008 9:01 AM, Monica Pisica wrote: Thanks Duncan. Yes i do have variation in the lidar metrics (be, ch

[R] unexpected GAM result - at least for me!

2008-03-31 Thread Monica Pisica
Hi I am afraid i am not understanding something very fundamental and does not matter how much i am looking into the book Generalized Additive Models of S. Wood i still don't understand my result. I am trying to model presence / absence (presence = 1, absence = 0) of a species using

Re: [R] unexpected GAM result - at least for me!

2008-03-31 Thread Duncan Murdoch
On 3/31/2008 8:34 AM, Monica Pisica wrote: Hi I am afraid i am not understanding something very fundamental and does not matter how much i am looking into the book Generalized Additive Models of S. Wood i still don't understand my result. I am trying to model presence /

Re: [R] unexpected GAM result - at least for me!

2008-03-31 Thread Monica Pisica
to predict presence / absence. Do you think it is still a valid result? Thanks again, Monica Date: Mon, 31 Mar 2008 08:47:48 -0400 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: r-help@r-project.org Subject: Re: [R] unexpected GAM result - at least for me! On 3/31/2008 8:34 AM, Monica Pisica

Re: [R] unexpected GAM result - at least for me!

2008-03-31 Thread Duncan Murdoch
, 31 Mar 2008 08:47:48 -0400 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: r-help@r-project.org Subject: Re: [R] unexpected GAM result - at least for me! On 3/31/2008 8:34 AM, Monica Pisica wrote: Hi I am afraid i am not understanding something very