[R] It is possible to use "input parameters" with "standard error" in fitting function nls

Vicente Martí Centelles martiv at qio.uji.es
Wed Aug 3 10:57:11 CEST 2016

Dear all,

I would like to introduce an input parameter with an associated standard
error to perform a fitting using the nls function (or any similar function):

parameter1 = 9.00 +/- 0.20  (parameter 1 has a value of 9.00 and standard
error of 0.20)

fittingResults <- nls(y ~ function(xdata, ydata, parameter1,
fittingparameter),start=list(parameter1=9.00, fittingparameter=5.00))

Does anyone know how to  introduce the associated standard error of the
parameter to the fitting function?

Many thanks for your help,

Best regards


*Dr. Vicente Martí Centelles*
*Postdoctoral Researcher (VALi+d Generalitat Valenciana, Spain)*

*Universitat Jaume I*Departamento de Química Inorgánica y Orgánica
Avda Sos Baynat s/n
E-12071-Castellón (Spain)
Tel.: +34 964728235
Fax: +34 964728214
e-mail: martiv at qio.uji.es

*web page*: www.vmarti.es

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