Nonlinear regression

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LXu
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Nonlinear regression

LXu
Could someone help me on the following:
SAS has DUD (Does not Use Derivatives) for nonlinear regression.

Does "R" has a similar capability?

I am not good at derivatives and may get my derivative wrong before
feeding it to a nonlinear regression procedure.

Any help would be much appreciated.

Liu
Hancock Forest Management NZ
Tokoroa, New Zealand
DDI: 07-8850387
Mobile: 021-1576178
A/H: 06 868 4288
[hidden email]


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Re: Nonlinear regression

Bill.Venables
?nls

(I always knew SAS *is* a DUD, but never that it has a DUD too...)


Bill Venables
CSIRO Laboratories
PO Box 120, Cleveland, 4163
AUSTRALIA
Office Phone (email preferred): +61 7 3826 7251
Fax (if absolutely necessary):  +61 7 3826 7304
Mobile:                         +61 4 8819 4402
Home Phone:                     +61 7 3286 7700
mailto:[hidden email]
http://www.cmis.csiro.au/bill.venables/ 

-----Original Message-----
From: [hidden email] [mailto:[hidden email]]
On Behalf Of [hidden email]
Sent: Wednesday, 21 May 2008 9:23 AM
To: [hidden email]
Subject: [R] Nonlinear regression

Could someone help me on the following:
SAS has DUD (Does not Use Derivatives) for nonlinear regression.

Does "R" has a similar capability?

I am not good at derivatives and may get my derivative wrong before
feeding it to a nonlinear regression procedure.

Any help would be much appreciated.

Liu
Hancock Forest Management NZ
Tokoroa, New Zealand
DDI: 07-8850387
Mobile: 021-1576178
A/H: 06 868 4288
[hidden email]


The information contained in this email and any attachments is strictly
confidential and is for the use of the intended recipient.  Any use,
dissemination, distribution, or reproduction of any part of this email
or
any attachment is prohibited.  If you are not the intended recipient,
please notify the sender by return email and delete all copies including

attachments.
        [[alternative HTML version deleted]]

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Re: Nonlinear regression

Spencer Graves
      Let's not be so hard on SAS.  I thought it was marvelous when I
first used it over 30 years ago.

      Spencer Graves

[hidden email] wrote:

> ?nls
>
> (I always knew SAS *is* a DUD, but never that it has a DUD too...)
>
>
> Bill Venables
> CSIRO Laboratories
> PO Box 120, Cleveland, 4163
> AUSTRALIA
> Office Phone (email preferred): +61 7 3826 7251
> Fax (if absolutely necessary):  +61 7 3826 7304
> Mobile:                         +61 4 8819 4402
> Home Phone:                     +61 7 3286 7700
> mailto:[hidden email]
> http://www.cmis.csiro.au/bill.venables/ 
>
> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]]
> On Behalf Of [hidden email]
> Sent: Wednesday, 21 May 2008 9:23 AM
> To: [hidden email]
> Subject: [R] Nonlinear regression
>
> Could someone help me on the following:
> SAS has DUD (Does not Use Derivatives) for nonlinear regression.
>
> Does "R" has a similar capability?
>
> I am not good at derivatives and may get my derivative wrong before
> feeding it to a nonlinear regression procedure.
>
> Any help would be much appreciated.
>
> Liu
> Hancock Forest Management NZ
> Tokoroa, New Zealand
> DDI: 07-8850387
> Mobile: 021-1576178
> A/H: 06 868 4288
> [hidden email]
>
>
> The information contained in this email and any attachments is strictly
> confidential and is for the use of the intended recipient.  Any use,
> dissemination, distribution, or reproduction of any part of this email
> or
> any attachment is prohibited.  If you are not the intended recipient,
> please notify the sender by return email and delete all copies including
>
> attachments.
> [[alternative HTML version deleted]]
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Re: Nonlinear regression

Bill.Venables
There is no question that SAS is a monumental piece of software that has
served the statistical community well for a very long time.  No question
at all in my mind of that.  There is an ugly side to it though.
Possibly unconsciously, it tries to make its culture and customs a kind
of standad for the statistical profession, and some of those customs and
cultural features are, to put it as mildly as possible, rather
unhelpful.

As I said quite a few years ago now, 'SAS seems to be to statistical
computing what Microsoft is to personal computing'.  Or at least it
tries to be, sadly.

W.  



-----Original Message-----
From: Spencer Graves [mailto:[hidden email]]
Sent: Wednesday, 21 May 2008 10:03 AM
To: Venables, Bill (CMIS, Cleveland)
Cc: [hidden email]; [hidden email]
Subject: Re: [R] Nonlinear regression

      Let's not be so hard on SAS.  I thought it was marvelous when I
first used it over 30 years ago.

      Spencer Graves

[hidden email] wrote:

> ?nls
>
> (I always knew SAS *is* a DUD, but never that it has a DUD too...)
>
>
> Bill Venables
> CSIRO Laboratories
> PO Box 120, Cleveland, 4163
> AUSTRALIA
> Office Phone (email preferred): +61 7 3826 7251
> Fax (if absolutely necessary):  +61 7 3826 7304
> Mobile:                         +61 4 8819 4402
> Home Phone:                     +61 7 3286 7700
> mailto:[hidden email]
> http://www.cmis.csiro.au/bill.venables/ 
>
> -----Original Message-----
> From: [hidden email]
[mailto:[hidden email]]

> On Behalf Of [hidden email]
> Sent: Wednesday, 21 May 2008 9:23 AM
> To: [hidden email]
> Subject: [R] Nonlinear regression
>
> Could someone help me on the following:
> SAS has DUD (Does not Use Derivatives) for nonlinear regression.
>
> Does "R" has a similar capability?
>
> I am not good at derivatives and may get my derivative wrong before
> feeding it to a nonlinear regression procedure.
>
> Any help would be much appreciated.
>
> Liu
> Hancock Forest Management NZ
> Tokoroa, New Zealand
> DDI: 07-8850387
> Mobile: 021-1576178
> A/H: 06 868 4288
> [hidden email]
>
>
> The information contained in this email and any attachments is
strictly
> confidential and is for the use of the intended recipient.  Any use,
> dissemination, distribution, or reproduction of any part of this email
> or
> any attachment is prohibited.  If you are not the intended recipient,
> please notify the sender by return email and delete all copies
including

>
> attachments.
> [[alternative HTML version deleted]]
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>  

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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Re: Nonlinear regression

Mike Prager
In reply to this post by LXu
[hidden email] wrote:

> Could someone help me on the following:
> SAS has DUD (Does not Use Derivatives) for nonlinear regression.
>
> Does "R" has a similar capability?
>

nls()

--
Mike Prager, NOAA, Beaufort, NC
* Opinions expressed are personal and not represented otherwise.
* Any use of tradenames does not constitute a NOAA endorsement.

______________________________________________
[hidden email] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.