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st: cut into groups


From   Zhang Fanfan <[email protected]>
To   [email protected]
Subject   st: cut into groups
Date   Sun, 25 Aug 2013 21:37:20 +1000

Hi al,

I want to cut my data based on the var -ttpr-. While by using pctile and list pcitle, I got the following percentile:
   +--------+
     | p_ttpr |
     |--------|
  1. |      0 |
  2. |      0 |
  3. |      0 |
  4. |      0 |
  5. |      0 |
     |--------|
  6. |      0 |
  7. |    .01 |
  8. |  2.481 |
  9. | 27.044 |
 10. |      . |
     +--------+

Then how can I use cut comments to get 0-30% and 70%-100% two groups?

egen gp=cut(ttpr),at(0 0 0.01 43039) cannot work.


Thanks 
Fanfan.


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