st: data manipulating question

[Phuong Lan Nguyen <phuong@u.washington.edu>]

Hi there,

I have a question about stata program and I hope you are able to help me. I 
have a series of numeric variables and want to group them into 1 
variable. Details of my data is

	var1		var2		var3
	x		y		z

3 variables indicates 3 code of teaching experience of teachers. Now i want to 
group them into 1 variable:

	new variable
var1 	x
var2	y
var3	z

What command should I use to transform these variables?

thanks
-phuong

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