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st: count cases of a string variable

From   "Tunga Kantarci" <>
To   <>
Subject   st: count cases of a string variable
Date   Thu, 1 May 2008 11:42:43 +0200


I have a variable that has string values. I was trying to count cases with
the following command:

count if variablename == "string value"

which, however, returned me 0 cases.

Then I converted the variable to a numeric one and then the count worked.

After this two questions arise:

1.  Why the command -count if variablename == "string value"- did not work? 
What instead should I have used?

2. After I converted the variable, I command "describe", "tab", "sum"...
I only see in the "sum variablename" command the min and max values stata
has assigned but  
I don't see a complete list of assigned numeric values to string values. Why
and how can I see it?

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