Re: [R] g parameter for deltaMethod() as a function

2017-01-31 Thread Marc Girondot via R-help
Dear John and list members, I have found a solution using the package nlWaldTest. I post the solution in case someone else will have this problem. Here is a summary of the problem: I would like use the delta method for a function for which no derivative using D() can be calculated. I would li

Re: [R] g parameter for deltaMethod() as a function

2017-01-30 Thread Fox, John
or of coefficient > estimates. Etc." > > Try writing a function that calls deltaMethod() and does what you want. > > John > >> -Original Message- >> From: Marc Girondot [mailto:marc_...@yahoo.fr] >> Sent: Monday, January 30, 2017 1:31 PM >&g

Re: [R] g parameter for deltaMethod() as a function

2017-01-30 Thread Fox, John
hat calls deltaMethod() and does what you want. John > -Original Message- > From: Marc Girondot [mailto:marc_...@yahoo.fr] > Sent: Monday, January 30, 2017 1:31 PM > To: Fox, John > Cc: r-help@r-project.org > Subject: Re: [R] g parameter for deltaMethod() as a function &

Re: [R] g parameter for deltaMethod() as a function

2017-01-30 Thread Marc Girondot via R-help
Le 30/01/2017 � 19:04, Fox, John a �crit : >> Hi everyone, >> >> I try to use the Default S3 method DeltaMethod() from car package, but I >> have some problems when I try to use a function as the "g" parameter. I >> don't know if it is possible anyway. I hope that you could tell me: > I don't see h

Re: [R] g parameter for deltaMethod() as a function

2017-01-30 Thread Fox, John
Dear Marc, > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Marc > Girondot via R-help > Sent: Monday, January 30, 2017 12:19 PM > To: R-help Mailing List > Subject: [R] g parameter for deltaMethod() as a function > > Hi eve

[R] g parameter for deltaMethod() as a function

2017-01-30 Thread Marc Girondot via R-help
Hi everyone, I try to use the Default S3 method DeltaMethod() from car package, but I have some problems when I try to use a function as the "g" parameter. I don't know if it is possible anyway. I hope that you could tell me: Here an example from the help of deltaMethod(). It works and I und