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Re: st: change grouping in Stata -graph- command


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: change grouping in Stata -graph- command
Date   Fri, 31 May 2013 18:18:48 +0100

Nick
njcoxstata@gmail.com


On 31 May 2013 17:42, Nick Cox <njcoxstata@gmail.com> wrote:
> Another solution uses -statplot- (SSC)
>
>  sysuse auto, clear
>  statplot rep78 headroom gear_ratio, over(foreign)
>  statplot rep78 headroom gear_ratio, over(foreign) recast(bar)
>
> The default statistic shown is the mean (surprise).
>
> .
> Nick
> njcoxstata@gmail.com
>
>
> On 31 May 2013 17:34, Nick Cox <njcoxstata@gmail.com> wrote:
>>  In a strong sense it does. You want three paired-bar charts showing
>> means, side by side. So,
>>
>> 1. Produce three paired-bar charts
>>
>> 2. Put them side by side.
>>
>> Here is a dopey example:
>>
>> sysuse auto, clear
>>
>> foreach v in rep78 headroom gear_ratio {
>>           graph bar `v', over(foreign) title(`: var label `v'')
>> name(`v')  ytitle("")
>> }
>>
>> graph combine rep78 headroom gear_ratio2 row(1) ycommon note(Mean scores)
>>
>> Nick
>> njcoxstata@gmail.com
>>
>>
>> On 31 May 2013 15:06, Andrea Bennett <mac.stata@gmail.com> wrote:
>>
>>> Thanks a lot Billy!
>>>
>>> I see what you do… But I still think Stata should provide a more obvious solution to this problem…
>>
>>>
>>>>>> I've spent hours on the following issue but seem to be unable to find the correct way to deal with such a graph:
>>>>>>
>>>>>> I have questionnaire data where people are ask how much they liked some aspect; e.g. three variables LOCATION, PRICE, TEMPERATURE (all 1-7 scale).
>>>>>>
>>>>>> Both the treatment and control group filled in the same questionnaire. I want to see graphically how the treatment and control groups differ in above dimensions.
>>>>>>
>>>>>> The following produces the correct data but groups in a "wrong" way. The groups are divided into treated/not-treated:
>>>>>>
>>>>>> graph bar location price temperature, over(treated)
>>>>>>
>>>>>> However, I would like to have the following:
>>>>>>
>>>>>> Location - not treated
>>>>>> Location - treated
>>>>>>
>>>>>> [gap]
>>>>>>
>>>>>> Price - not treated
>>>>>> Price - treated
>>>>>>
>>>>>> [gap]
>>>>>>
>>>>>> Temperature - not treated
>>>>>> Temperature - treated
>>>>>>
>>>>>> I really don't see who I can produce this result. Options such as -asy- or -asc- seem to go into the right direction but are not producing the result I desire. I would think that this is a rather common feature but it seems utterly difficult to get.

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