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Re: st: Question Regdarding Scatter Plot


From   Nick Cox <[email protected]>
To   [email protected]
Subject   Re: st: Question Regdarding Scatter Plot
Date   Tue, 19 Jun 2012 09:04:01 +0100

You need to fill in gaps in your data first. See

FAQ     . . . . . . . . . . . . . . . . . . . . . . . Replacing missing values
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. J. Cox
        2/03    How can I replace missing values with previous or
                following nonmissing values?
                http://www.stata.com/support/faqs/data/missing.html

By the way, the expression "a data" is in my view not yet idiomatic in
English. I recommend "a data set" or "a dataset".

Nick

On Tue, Jun 19, 2012 at 4:28 AM, Dudekula, Anwar <[email protected]> wrote:

> I am here posting a de-identified data (values are also completely changed , only  data format is retained for clarification of question)
>
> QUESTION:  how can I draw a scatter plot between VALUE and SCORE  when DATE-1=DATE-2 (from following data)
>
>   +----------------------------------------------------------------------+
>     | PATIENT ID   DATE-1            VALUE     DATE-2       SCORE |
>     |---------------------------------------------------------------------|
>  1. | Patient-1    10/6/2009         97                                         |
>  2. | Patient-1                                        11/21/2011          22 |
>  3. | Patient-1   11/21/2009       8.15                                      |
>  4. | Patient-1                                       3/24/2011            33 |
>  5. | Patient-1                                       4/12/2010            25 |
>  6. | Patient-1    7/14/2009       6.44                                      |
>  7. | Patient-1    7/16/2009        0.35                                      |
>  8. | Patient-1                                       7/16/2009            85 |
>  9. | Patient-1                                       10/6/2009            85 |
>     |------------------------------------------------------------------|
>  10. | Patient-2   11/30/2006       8.12                                    |
>  11. | Patient-2                                       11/30/2006       1.54 |
>     |------------------------------------------------------------------|
>  12. | Patient-3                                      10/27/2011         88 |
>  13. | Patient-3    12/9/2008       2.36                                    |
>  14. | Patient-3                                       12/9/2008          93 |
>  15. | Patient-3                                       6/10/2010          44 |
>  16. | Patient-3     6/10/2010          44                                   |
>     |------------------------------------------------------------------|
>  17. | Patient-4                                      11/28/2011         58 |
>  18. | Patient-4                                        2/6/2012          15 |
>  19. | Patient-4      2/6/2012           45                                   |
>  20. | Patient-4       11/28/2011         58                               |
>     +-----------------------------------------------------------------+
>

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