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Re: st: Summarize data
From
Patricia Biedermann <[email protected]>
To
[email protected]
Subject
Re: st: Summarize data
Date
Sat, 9 Jun 2012 15:44:25 +0200
PERFECT! Thank you!
On Sat, Jun 9, 2012 at 3:09 PM, Nick Cox <[email protected]> wrote:
> If I understand what you want correctly, the key is that the mean of
> the row means is the table mean.
>
> So,
>
> summarize row_mean
>
> On Stata not STATA, see
> http://www.stata.com/support/faqs/res/statalist.html#spell
>
> Nick
>
> On Sat, Jun 9, 2012 at 1:43 PM, Patricia Biedermann <[email protected]> wrote:
>
>> Oh! I got the mistake! Sorry for that! But still one question remains!
>> So far I have the mean of the rows...
>>
>>> egen row_mean = rowmean(Q1A Q2A Q3)
>>> list Q1A Q2A Q3A row_mean
>>
>> Is there a possibility to receive ONE MEAN of several columns(=variables) ?
>>
>> Thank you
>>
>> On Sat, Jun 9, 2012 at 1:23 PM, Patricia Biedermann <[email protected]> wrote:
>>> Hello!
>>> Thank you for your answer!
>>>
>>> I tried this command:
>>>
>>> egen row_mean = rowmean(Q1A Q2A Q3)
>>> list Q1A Q2A Q3A
>>>
>>> but I just get a table and I need actual values. and how do I sort it
>>> by groups? (if group==1 ????)
>>>
>>> Sorry, I'm still quite new to STATA but I'm glad for any help!
>>>
>>> Thank you.
>>>
>>> On Fri, Jun 8, 2012 at 8:30 PM, Nick Cox <[email protected]> wrote:
>>>> -egen- offers a bundle of functions (in its own sense) for summarising
>>>> rowwise. You can apply -if- and/or -in-.
>>>>
>>>> Nick
>>>>
>>>> On Fri, Jun 8, 2012 at 5:46 PM, Patricia Biedermann <[email protected]> wrote:
>>>>
>>>>> I need to summarize data in the following way:
>>>>>
>>>>> My questionnaire looks like that:
>>>>>
>>>>> Question 1 option1 option2 option3 (options
>>>>> are numeric 1-5)
>>>>>
>>>>> Question 2
>>>>>
>>>>> Question 3
>>>>>
>>>>> Etc. (up to 16 question in the same structure)
>>>>>
>>>>> The database in Stata looks like that:
>>>>>
>>>>> ID Q1A Q1B Q1C Q2A Q2B Q3B …ETC (GROUP)
>>>>>
>>>>> Respectively option1 of question 1 represents Q1A
>>>>
>>>>> Now I want to summarize the data of all questionnaires in that way:
>>>>>
>>>>> - summarize (mean) option 1 for ALL QUESTIONS AND ALL
>>>>> questionnaires (mean of Q1A, Q2A, Q3A,...etc)
>>>>>
>>>>> - summarize (mean) option 2 etc…(mean of Q1B, Q2B, Q3B,...etc)
>>>>>
>>>>> So, maybe the solution is simpler then I think or my database is
>>>>> crap…but can anyone help me to figure out the right commands? (I
>>>>> already tried sum and collapse commands...)
>>>>>
>>>>> Is there also a possibility to summarize it by grouping (same
>>>>> questionnaires, but e.g. different location of interview…)
>
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