[R] nlrwr package. Error when fitting the optimal Box-Cox transformation with two variables

Dear all: I'm trying to fit the optimal Box-Cox transformation related to nls (see the code below) for the demand of money data in Green (3th Edition) but in the last step R gives the next error message. Error en `[.data.frame`(eval(object$data), , as.character(formula(object)[[

Re: [R] nlrwr package. Error when fitting the optimal Box-Cox transformation with two variables

El mar, 19-05-2009 a las 17:17 +0200, Ikerne del Valle escribió: > > Dear all: > > I'm trying to fit the optimal Box-Cox > transformation related to nls (see the code > below) for the demand of money data in Green (3th > Edition) but in the last step R gives the next > error messa