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Re: st: Part II - Chosing minimum value out of 6 variables


From   "Ziad El-Khatib" <Ziad.El-Khatib@ki.se>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Part II - Chosing minimum value out of 6 variables
Date   Tue, 27 May 2008 21:26:03 -0700

Found it, thank you a lot for the push! :-)
Best regards
ziad


On Tue, May 27, 2008 at 12:30 AM, Maarten buis <maartenbuis@yahoo.co.uk> wrote:
> Given all the answers you have received on very similar problems you
> should be able to figure this one out by now. Take a good look at those
> previous answers and at -help by- and -help egen-.
>
> -- Maarten
>
> --- Ziad El-Khatib <Ziad.El-Khatib@ki.se> wrote:
>
>> Hi again,
>> managed to select the min value of adherence to drugs, thank you
>> again!
>> I created value adherentmin with value =1 if the minimum value was
>> between 95-110, otherwise the value =0.
>>
>> I am trying to score the adherentmin over the first 7 visits (visits
>> 2,4,8,12,16,20 & 24), to see how the percentage of adherence during
>> these visits, example below
>>
>> id     visit     adherentmin     scoremin
>> 1       0             .                    .
>> 1       2            1                     57
>> 1       4             0                    57
>> 1       8             0                    57
>> 1      12            1                    57
>> 1       16           1                    57
>> 1       20           0                    57
>> 1       24          1                     57
>> 1       36          .                      .
>> 1       40          .                      .
>> 2         0          0                     .
>> 2          2          0               etc...
>>
>>
>>
>> scoremin=(sum of adherentmin if visit>=2&visit<=24)*100/7
>>
>> Any tips?
>>
>>
>> Thank you and best regards
>> ziad
>>
>>
>>
>> On Mon, May 26, 2008 at 8:08 AM, Svend Juul <SJ@soci.au.dk> wrote:
>> > Ziad wrote:
>> >
>> > I have adherence level for 6 different drugs (drug1, drug2, etc..),
>> > inside cohort datafile, followed over 12 months.
>> > At every visit there are data for 3 out of 6 drugs and I want to
>> have
>> > new variable having the minimal value for drug adherence, example
>> > below
>> >
>> > id  visit  drug1  drug2  drug3  drug4  drug5  drug6  minval
>> > 1       2     10     20     30      .      .      .      10
>> > 2       2     40     30      .     50      .      .      30
>> > etc..
>> >
>> > ================================================================
>> >
>> > egen minval = rowmin(drug1-drug6)
>> >
>> > Svend
>> > ________________________________________________________
>> >
>> > Svend Juul
>> > Institut for Folkesundhed, Afdeling for Epidemiologi
>> > (Institute of Public Health, Department of Epidemiology)
>> > Vennelyst Boulevard 6
>> > DK-8000 Aarhus C,  Denmark
>> > Phone, work:   +45 8942 6090
>> > Phone, home:   +45 8693 7796
>> > Fax:           +45 8613 1580
>> > E-mail:        sj@soci.au.dk
>> > _________________________________________________________
>> >
>> >
>> > *
>> > *   For searches and help try:
>> > *   http://www.stata.com/support/faqs/res/findit.html
>> > *   http://www.stata.com/support/statalist/faq
>> > *   http://www.ats.ucla.edu/stat/stata/
>> >
>>
>>
>>
>> --
>> Ziad El-Khatib
>> AIDS Unit
>> National Institute for Communicable Diseases (NICD)
>> 1 Modderfontein Road
>> Private Bag X4, Sandringham, 2131
>> Johannesburg, South Africa
>> Mobile: +27 (0) 72-52 39 716
>> Phone: +27 (0) 11-386 6433
>> Fax (NICD): +27 (0)11 386 6453
>> Fax (connected to my email): +27 (0)86 18 2871
>> http://www.nhls.ac.za/div_nicd.html
>>
>> Division of International Health (IHCAR)
>> Karolinska Institutet
>> www.phs.ki.se/ihcar
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/support/faqs/res/findit.html
>> *   http://www.stata.com/support/statalist/faq
>> *   http://www.ats.ucla.edu/stat/stata/
>>
>
>
> -----------------------------------------
> Maarten L. Buis
> Department of Social Research Methodology
> Vrije Universiteit Amsterdam
> Boelelaan 1081
> 1081 HV Amsterdam
> The Netherlands
>
> visiting address:
> Buitenveldertselaan 3 (Metropolitan), room Z434
>
> +31 20 5986715
>
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
>
>
>      __________________________________________________________
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> *
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>



-- 
Ziad El-Khatib
AIDS Unit
National Institute for Communicable Diseases (NICD)
1 Modderfontein Road
Private Bag X4, Sandringham, 2131
Johannesburg, South Africa
Mobile: +27 (0) 72-52 39 716
Phone: +27 (0) 11-386 6433
Fax (NICD): +27 (0)11 386 6453
Fax (connected to my email): +27 (0)86 18 2871
http://www.nhls.ac.za/div_nicd.html

Division of International Health (IHCAR)
Karolinska Institutet
www.phs.ki.se/ihcar
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



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