Re: st: RE: Graph with point estimates and ci

[Richard Moverare <richard.moverare@gmail.com>]

Ok, is there some other way I can retrieve the point estimate and the
standard error from -svy: proportion- over years and get it into a
dataset of a similar kind?

Any help would be greatly appreciated.

All the best,
Rick


Den 26 april 2012 17:26 skrev Nick Cox <n.j.cox@durham.ac.uk>:
> Appears not.
>
> Nick
> n.j.cox@durham.ac.uk
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Richard Moverare
> Sent: 26 April 2012 16:17
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: RE: Graph with point estimates and ci
>
> I thought so too, but I get the error message: "svy is not supported
> by statsby". Am I making some other mistake, i.e. is svy supported by
> statsby?
>
> All the best,
> Rick
>
> Den 26 april 2012 15:19 skrev Nick Cox <n.j.cox@durham.ac.uk>:
>> As I understand it, your syntax should schematically be
>>
>> -statsby ...: svy: ... : proportion: ...
>>
>> Nick
>> n.j.cox@durham.ac.uk
>>
>>
>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Richard Moverare
>> Sent: 26 April 2012 14:14
>> To: statalist
>> Subject: st: Graph with point estimates and ci
>>
>> Dear all,
>>
>> I have a dataset with one variable that indicates if each observation
>> (person) have done a certain activity, i.e. 1 or 0. The dataset is
>> from a survey that is conducted several years, so I have information
>> for each year. For each year I want to produce a graph where I have an
>> estimate of the proportion who has done this activity. I would like
>> this to be respresented by a filled circle with lines that represent
>> the confidence interval of the estimae. In the same graph I would also
>> like to have another estimate for a subgroup, presented in the same
>> way. And, finally I would like to add vertical line referring to a
>> known percentage in the whole population, i.e. I want to compare the
>> survey estimates with a known proportion. Then I would like to create
>> similar graphs for different years and combine them.
>>
>> If we are using the auto dataset and considering rep78 as years and
>> foreign as the activity, I could do something like this
>>
>> sysuse auto
>> statsby _b _se, by(rep78) saving(tot, replace): proportion foreign
>>
>> statsby _b _se, by(rep78) saving(subgroup, replace): proportion
>> foreign if subgroup==1
>>
>> And then I can combine the two resulting datasets and create a graph
>> using -twoway scatter- with "rcap" and "horisontal xline".
>>
>> However, I would like to do this while taking into account the survey
>> design, i.e. using -svy-. Is there some way I can do that in a similar
>> way, or should I take another path to get the same graph?
>>
>>
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