Re: [R] summary polr

2007-02-20 Thread Michael Dewey
At 15:21 19/02/2007, Paolo Accadia wrote: Hi all, I have a problem to estimate Std. Error and t-value by “polr” in library Mass. They result from the summary of a polr object. I can obtain them working in the R environment with the following statements: temp - polr(formula =

Re: [R] summary polr

2007-02-20 Thread Michael Dewey
At 14:41 20/02/2007, you wrote: Please do not just reply to me, 1 - I might not know 2 - it breaks the threading Hi here there is an example extracted from polr help in MASS: The function could be: temp - function(form, dat) { house.plr - polr(formula = form,

Re: [R] summary polr

2007-02-20 Thread Prof Brian Ripley
That's not it (the function is 'coef' not 'coeff', and R can tell functions and lists apart). If you read the help page for polr you will see you could have used Hess=TRUE. It works then. THAT is why we needed an example, to see how you used the function. On Tue, 20 Feb 2007, Michael

Re: [R] summary polr

2007-02-20 Thread Paolo Accadia
Thank you very much Paolo Prof Brian Ripley [EMAIL PROTECTED] 20/02/07 4:00 PM That's not it (the function is 'coef' not 'coeff', and R can tell functions and lists apart). If you read the help page for polr you will see you could have used Hess=TRUE. It works then. THAT is why we needed

[R] summary polr

2007-02-19 Thread Paolo Accadia
Hi all, I have a problem to estimate Std. Error and t-value by “polr” in library Mass. They result from the summary of a polr object. I can obtain them working in the R environment with the following statements: temp - polr(formula = formula1, data = data1) coeff - summary(temp),