# two-tailed
> 0.05 / 2
[1] 0.025

# for the lower tail
> qnorm(c(0.025), mean=0, sd=1, lower.tail=TRUE)
[1] -1.959964

# for the upper tail
> qnorm(c(0.025), mean=0, sd=1, lower.tail=FALSE)
[1] 1.959964




On 3/30/06, ronggui <[EMAIL PROTECTED]> wrote:
> > qnorm(1-0.05/2)
> [1] 1.959964
> > qnorm(0.05/2,lower=F)
> [1] 1.959964
>
>
>
> 2006/3/31, XinMeng <[EMAIL PROTECTED]>:
> > As to the standard normal sidtribution,if alpha=0.05(2 tailed),how can I 
> > get the "u value" by using R command?
> >
> > p.s result: u value is 1.96.
> >
> > ______________________________________________
> > [email protected] mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide! 
> > http://www.R-project.org/posting-guide.html
> >
>
>
> --
> 黄荣贵
> Deparment of Sociology
> Fudan University
>
>
>
> ______________________________________________
> [email protected] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>
>

______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

Reply via email to