compare value different variable and rows

[adriana iarovici]

hello,
I want to compare values of two varible in diffrent rows.
For example
vr1 vr2
10 20
20 30
40 50
the vr1 has the value 20for obs2 and for obs 1 in vr2
thank you

[William Lisowski]

Welcome to Statalist.

You have accidentally posted your topic in Statalist's Mata Forum, which is used for discussions of Stata's Mata language. Your question will see a more appropriate, and much larger audience if you post it in Statalist's General Forum.

Also, if you have not already done so, take a look at the Statalist FAQ linked to at the top of this page for posting guidelines and suggestions.