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Re: st: RE: Means for Metan
From
Aggie Chidlow <[email protected]>
To
[email protected]
Subject
Re: st: RE: Means for Metan
Date
Mon, 12 Apr 2010 22:19:04 +0100
Thanks Nick,
This is good, but could you suggest something for me to read about it,
please? I would like to understand what I am doing not just copy your
work. Thanks
On Mon, Apr 12, 2010 at 10:14 PM, Nick Cox <[email protected]> wrote:
> That's a bit clearer. Thanks.
>
> On the understanding that the first, second, ... observation contain information for 0, 1, ... mentions
>
> gen wt = _n - 1
> su j? [fw=wt]
>
> Nick
> [email protected]
>
> Aggie Chidlow
>
> Dear Nick (and others),
> Sincerely Appologies.
> It is not my intention for you to do any guess work...
>
> I am working on a meta-analysis the data I have looks like this:
>
> All Data Collection | Name of the journal the article appeared
> Procedures together | J1 J2 J3 J4 | Total
> Not Mention | 68 41 32 25 | 166
> One Step mention | 17 14 17 12 | 60
> Two Steps mention | 8 9 8 5 | 30
> Three Steps mention | 4 5 2 6 | 17
> Four Steps mention | 1 2 1 1 | 5
> Five Steps mention | 1 0 0 0 | 1
> ----------------------+--------------------------------------------+----------
> Total | 99 71 60 49 | 279
>
> Today, it was suggested to me that I could calculate the mean number
> of mentions, within each of 4 journals and then
> perform metan to calculate a weighted average mean across the 4
> journals. In order to do this I have to transpose the data from the table
> above to this:
>
> Data Collection Procedures j1 j2 j3 j4 total
>> Not Mentioned 68 41 32 25 166
>> One Step Mentioned 17 14 17 12 60
>> Two Steps Mentioned 8 9 8 5 30
>> Three Steps Mentioned 4 5 2 6 17
>> Four Steps Mentioned 1 2 1 1 5
>> Five Steps Mentioned 1 0 0 0 1
>
>
> I am stuck at this point, because I am struggling to figure out how to
> calculate the mean number of mentions with their standard errors for
> this data.
>
> Many thanks in advance, Aggie
>
>
> On Mon, Apr 12, 2010 at 9:49 PM, Nick Cox <[email protected]> wrote:
>> Please show us the data you want to work on.
>> Please don't ask us to imagine, guess or work out what they looks like.
>>
>> Nick
>> [email protected]
>>
>> Aggie Chidlow
>>
>>
>> I have the following data:
>>
>> Steps j1 j2 j3 j4 total
>> Not Mentioned 68 41 32 25 166
>> One Step Mentioned 17 14 17 12 60
>> Two Steps Mentioned 8 9 8 5 30
>> Three Steps Mentioned 4 5 2 6 17
>> Four Steps Mentioned 1 2 1 1 5
>> Five Steps Mentioned 1 0 0 0 1
>>
>> I would very much appreciated if somebody could help me with the
>> syntax to calculate the
>> mean number of mentions with their standard error after . keep j1 j2
>> j3 j4 total and
>> . xpose,clear are used.
>>
>
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