survival analysis to calculate the spells.

[Xiaopei Cheng]

Dear everyone ,
I'm studying survival analysis,I want to calculate the multiple spells.
My data is like this.y is the result I want.Does anyone know how to do this? I will thank you very much.


----------------------- copy starting from the next line -----------------------

* Example generated by -dataex-. For more info, type help dataex
clear
input float(time hhid x y)
 1 1 0 0
 2 1 0 0
 3 1 1 1
 4 1 0 2
 5 1 0 2
 6 1 1 3
 7 1 1 3
 8 1 0 4
 9 1 0 4
10 1 1 5
 1 2 1 1
 2 2 0 2
 3 2 0 2
 4 2 1 3
 5 2 1 3
 6 2 1 3
 7 2 0 4
 8 2 1 5
 9 2 0 6
10 2 0 6
end

[Tiago Pereira]

Hi, Xiaopei.

Here is everything you need:

https://stats.oarc.ucla.edu/stata/se...tata-survival/

[Xiaopei Cheng]

Dear Tiago,

Thank you for sharing this information. I will study it.