Berwin A Turlach wrote:
>
> That's the problem with introductory textbook whose author think they
> do the students a favour by using notation as z_alpha, z_0.01,
> z_(alpha/2) instead of z_(1-alpha), z_0.99, z_(1-alpha/2),
> respectively. In my opinion this produces in the long run only
> more
G'day Cruz,
On Fri, 7 Nov 2008 09:47:47 +0800
cruz <[EMAIL PROTECTED]> wrote:
> Hi,
>
> How do we get the value of a chi square as we usually look up on the
> table on our text book?
>
> i.e. Chi-square(0.01, df=8), the text book table gives 20.090
>
> > dchisq(0.01, df=8)
> [1] 1.036471e-08
>
> qchisq(0.01, df=8, lower.tail=FALSE)
[1] 20.09024
>
See ?dchisq
On Fri, 2008-11-07 at 09:47 +0800, cruz wrote:
> Hi,
>
> How do we get the value of a chi square as we usually look up on the
> table on our text book?
>
> i.e. Chi-square(0.01, df=8), the text book table gives 20.090
>
> > dc
> qchisq(0.01, df = 8, lower.tail = FALSE)
[1] 20.09024
cruz wrote:
Hi,
How do we get the value of a chi square as we usually look up on the
table on our text book?
i.e. Chi-square(0.01, df=8), the text book table gives 20.090
dchisq(0.01, df=8)
[1] 1.036471e-08
pchisq(0.01, df=8)
[1] 2.
On Fri, 7 Nov 2008, cruz wrote:
Hi,
How do we get the value of a chi square as we usually look up on the
table on our text book?
i.e. Chi-square(0.01, df=8), the text book table gives 20.090
dchisq(0.01, df=8)
[1] 1.036471e-08
pchisq(0.01, df=8)
[1] 2.593772e-11
qchisq(0.01, df=8)
[1] 1
Hi,
How do we get the value of a chi square as we usually look up on the
table on our text book?
i.e. Chi-square(0.01, df=8), the text book table gives 20.090
> dchisq(0.01, df=8)
[1] 1.036471e-08
> pchisq(0.01, df=8)
[1] 2.593772e-11
> qchisq(0.01, df=8)
[1] 1.646497
>
nono of them give me 20.
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