[R] precision of std. error in summary

Angelo Secchi secchi at sssup.it
Fri Feb 10 20:29:40 CET 2006


Hi,


On Fri, 10 Feb 2006 10:56:32 -0800
Berton Gunter <gunter.berton at gene.com> wrote:

> 1. ?options  (Look for "scipen")

I'll check it

> 
> 2. std error = Value/t value
> 
> 3. Why do you care with these values?! Seems silly. It's probably off by
> more than you're worrying about due to numerical error, deviation from
> assumptions, arbitrariness of tuning constants, etc.

I need to put something in the report I'm writing and make no sense to
write std err=0.
By the way

Thanks a lot



> 
> -- Bert Gunter
> Genentech Non-Clinical Statistics
> South San Francisco, CA
>  
> "The business of the statistician is to catalyze the scientific learning
> process."  - George E. P. Box
>  
>  
> 
> > -----Original Message-----
> > From: r-help-bounces at stat.math.ethz.ch 
> > [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Angelo Secchi
> > Sent: Friday, February 10, 2006 10:44 AM
> > To: r-help at stat.math.ethz.ch
> > Subject: [R] precision of std. error in summary
> > 
> > 
> > Hi,
> > I'm doing robust regression with the following command
> > 
> > rlm(dip~ind1+ind2-1,method="M",psi=psi,maxit=1000,acc=1e-15)
> > 
> > now when I ask for a summary
> > 
> > summary(rlm(dip~ind1+ind2-1,method="M",psi=psi,maxit=1000,acc=1e-15))
> > 
> > I get
> > 
> > Coefficients:
> >      Value       Std. Error  t value    
> > ind1     -0.0377      0.0000 -24203.1415
> > ind2      1.0370      0.0000 668735.7195
> > 
> > taht is no std error
> > 
> > I've already tryied puuting a "digits = 6" with no success.
> > What is the proper way to ask R to provide more digits in the 
> > std error? 
> > Thanks
> > 
> > 
> > -- 
> > ========================================================
> >  Angelo Secchi                     PGP Key ID:EA280337
> > 
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> > 
>




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