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RE: st: RE: R: re. ttest


From   "PAPANIKOLAOU P." <[email protected]>
To   <[email protected]>
Subject   RE: st: RE: R: re. ttest
Date   Tue, 26 Nov 2013 17:37:01 -0000

Hi Nick, I am bit overwhelmed about this, as this goes back to my youth
years and I have dealt with different stats material since then. In any
case, many thanks for your kind feedback. P

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Nick Cox
Sent: 26 November 2013 17:25
To: [email protected]
Subject: Re: st: RE: R: re. ttest

If you remain in doubt about this, you really should study a good
textbook until it is clear. Seriously, relying on a list to help you out
at this level is a bad sign.
Nick
[email protected]


On 26 November 2013 17:18, PAPANIKOLAOU P.
<[email protected]> wrote:
> Thanks Nick. The reverse would mean that if Pr((|T|>|t|)=0.94 then 
> accept the null hypothesis for 0.10 critical level, is this right?
> Thanks again, Panos
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Nick Cox
> Sent: 26 November 2013 17:11
> To: [email protected]
> Subject: Re: st: RE: R: re. ttest
>
> No; that implies rejection if you use 0.10 as a critical level.
>
> Nick
> [email protected]
>
>
> On 26 November 2013 16:55, PAPANIKOLAOU P.
>
>> Thanks very much, my good friend Carlo. So, when I get
> Pr((|T|>|t|)=0.06 this means that the null hypothesis would be 
> accepted at 0.10, is this right?
>
> Carlo Lazzaro
>
>> From search ttesti- you'll get:
>> ----------------------------------------------------------
>> Title
>>
>>     [R] ttest -- Mean-comparison tests
>>
>>
>> Syntax
>>
>>     One-sample mean-comparison test
>>
>>         ttest varname == # [if] [in] [, level(#)]
>> -------------------------------------------------------------
>>
>> Replace 99 (or what you prefer) between brackets:
>>
>> ttesti 12 367 32 330, level(99)
>> ttesti 12 367 32 330, level(95)
>>
>> and you get it.
>>
>
> PAPANIKOLAOU P.
>
>> I want to run the ttesti using directly the 95%CI, or 99%CI, i.e. I
> want to define this option.
>> What is the best and easiest way to do this, plse?
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