[R] Incomplete output with `sn' library package

[Uwe Ligges]

MANASI VYDYANATH wrote:
> Dear R users:
> I have a question regarding the output for two of the functions in  
> the `sn' package, which deals with the mle fitting of skew normal  
> curves to linear regressions. I'm using the examples and the dataset  
> given as an example in the online documentation for this package, for  
> the functions `msn.fit' and `msn.mle'. I'm following the example code  
> in the documentation for these two functions exactly.
> Part of the data output is supposed to be "se", which gives the  
> standard errors of the estimated coefficients. This particular value  
> comes out as being "NA" in the examples given, but there are three  
> coefficients in each case and no numerical problems about why the  
> standard errors cannot be calculated.
> Am I setting this program up right? Is there some other command I  
> should use (or an option I need to use) to get the output to display  
> standard errors of the coefficients?

We cannot know if you use it right, since you have not given any details on

OS, R version, sn version, and particularly a reproducible example.

As each R-help message tells in the footer:

"PLEASE do read the posting guide 
http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code."

Uwe Ligges







> Thank you for your time in reading this question -
> Cordially,
> Manasi
> 
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