st: gen a_n = real(a) does not create any values

["Fabian Brenner" <Fabian.Brenner@gmx.de>]

Dear all:

I use Stata 8 and in order to add two variables a+b (a is format str5   %5s, b is format str13  %13s) I want to convert these string variables to numeric variables.

I use: gen a_n = real(a)

Stata generates new values for a_n. But using the browser I see that variable a_n doesn't have any values. What's wrong?

Thanks,
Fabian 

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