[R] nonlinear least square fit of a known function

[apjaworski@mmm.com]

Try

> library(nls)
> ?nls

Cheers,

Andy

__________________________________
Andy Jaworski
Engineering Systems Technology Center
3M Center, 518-1-01
St. Paul, MN 55144-1000
-----
E-mail: apjaworski at mmm.com
Tel:  (651) 733-6092
Fax:  (651) 736-3122


|---------+------------------------------>
|         |           dave qwertyu       |
|         |           <qwertyu2000us at yaho|
|         |           o.com>             |
|         |           Sent by:           |
|         |           owner-r-help at stat.m|
|         |           ath.ethz.ch        |
|         |                              |
|         |                              |
|         |           10/24/2002 14:05   |
|         |                              |
|---------+------------------------------>
  >-----------------------------------------------------------------------------------------------------------------------------|
  |                                                                                                                             |
  |      To:       r-help at stat.math.ethz.ch                                                                                     |
  |      cc:                                                                                                                    |
  |      Subject:  [R] nonlinear least square fit of a known function                                                           |
  >-----------------------------------------------------------------------------------------------------------------------------|




Dear R community,

I have data of x versus y and I know exactly what kind
of function to fit the data.  I just need to fit the
parameters with weighted nonlinear least square.

I am sure R can do this easily, but where do I start?

Thanks a lot in advance!!   Dave

__________________________________________________



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