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Re: st: How to graph several mean trajectories and combine them in a single graph


From   Carlos Avellaneda Suárez <carlos.avellaneda8@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to graph several mean trajectories and combine them in a single graph
Date   Tue, 25 Feb 2014 14:47:14 -0500

Please remember you have to be more specific, as stated in the
Statalist's FAQ. Nick's suggestion works fine for me.
But anyway, wouldn't it be better to -reshape long- your data,
-collapse- it and then produce the graph?

reshape long pl_1 pl_2 pl_3 pl_4 pl_5 pg_1 pg_2 pg_3 pg_4 pg_5, i(id) j(j)
collapse pl_ pg_, by(j)
twoway (line pl_ j) (line pg_ j)

Note that both commands change completely your data, so you may want
to save your data before using them.
Hope this helps.
Carlos

2014-02-25 13:55 GMT-05:00 Han-Jung Ko (Koko) <kohan@onid.oregonstate.edu>:
> Thank you. I am not certain. The profileplot command seems requiring
> by() specification. I may try to see whether graph command could work
> for graphing means across individuals for certain variables overtime
> and combine them...
>
> Han-Jung Ko
> Han-Jung Ko, M.S.
> Doctoral Candidate
> Human Development and Family Studies
> School of Social and Behavioral Health Sciences
> Oregon State University
> kohan@onid.orst.edu
>
>
> On Tue, Feb 25, 2014 at 11:57 AM, Nick Cox <njcoxstata@gmail.com> wrote:
>> Sorry, but I can't advise further given "did not work". What was wrong
>> from your point of view?
>> Nick
>> njcoxstata@gmail.com
>>
>>
>> On 25 February 2014 17:49, Han-Jung Ko (Koko)
>> <kohan@onid.oregonstate.edu> wrote:
>>> Thank you, Nick. I tried your suggestion and it did not work though.
>>> I will try to ask in the FAQ in the link you sent me.
>>>
>>> Thanks,
>>> Han-Jung Ko
>>>
>>>
>>> On Tue, Feb 25, 2014 at 3:31 AM, Nick Cox <njcoxstata@gmail.com> wrote:
>>>> -profileplot- is a user-written program by Philip Ender and from
>>>> http://www.ats.ucla.edu/stat/stata/ado/analysis
>>>> as you are asked to explain in the FAQ.
>>>>
>>>> If I understand you correctly, you can easily fool -profileplot- into
>>>> lumping all observations together by
>>>>
>>>> gen everyone = 1
>>>>
>>>> profileplot ..., by(everyone)
>>>>
>>>> although you will probably want to fix legend.
>>>>
>>>> Nick
>>>> njcoxstata@gmail.com
>>>>
>>>> On 24 February 2014 20:44, Han-Jung Ko
>>>>
>>>>> I am trying to graph several mean trajectories and combine them in a
>>>>> single graph. By using profileplot command, it is possible to graph
>>>>> them side-by-side but not in a single graph.
>>>>> For example,
>>>>> . profileplot pl_1 pl_2 pl_3 pl_4 pl_5, by(sex) name(graph_pl, replace)
>>>>> . profileplot pg_1 pg_2 pg_3 pg_4 pg_5, by(sex) name(graph_pg, replace)
>>>>> . graph combine graph_pl graph_pg
>>>>>
>>>>> However, using profileplot command also requires the option by(). I
>>>>> wonder how I could graph the meantrajectories for all participants
>>>>> (not by gender) and combine the total of six trajectories together?
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