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 __________________________________________________ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
apjaworski@mmm.com
2002-Oct-24 21:46 UTC
[R] nonlinear least square fit of a known function
Try> library(nls) > ?nlsCheers, 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 __________________________________________________ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-. -.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _._._ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._