Hello,
Here is my code:
clear
version 9.2
set obs 1
gen double a=3.86
save data1,replace
clear
set obs 1
gen double a=4.895
save data2,replace
use data1,clear
append using data2
egen sum=sum(a)
gen double r1=round(sum*100)/100
list
collapse (sum) a
gen double r2=round(a*100)/100
list
Why are r1 and r2 not equal ?
Thank you,
Carlo
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