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st: a question on function int

From   "Jian Zhang" <>
Subject   st: a question on function int
Date   Wed, 19 Oct 2005 13:30:13 -0700 (PDT)


I have a question about the function int that I could not understand what 
stata is doing.  Hope that you can answer me.  Thanks.  

Here it is:

For example, I have a data set:

after I run the following commands:

gen double temxxx=(id/1000)
gen temyyy=int(temxxx)
gen temzzz=temxxx-temyyy
gen areaxxx=int(temzzz*1000)
list id temxxx temyyy temzzz areaxxx

What I got is 
id         temxxx         temyyy    temzzz  areaxxx
10103005   10103.005      10103     .005      4

Is variable areaxxx supposed to be 5? Why did stata give me 4 instead of 
5? Any clue for this?


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