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Re: st: Categorical variable

From   Katarina Sikavica <[email protected]>
To   [email protected]
Subject   Re: st: Categorical variable
Date   Fri, 22 Jul 2005 14:43:37 +0200

Hi Alice,
hi all,

I have the same problem.... in addition to the below question I would like to know whether and how I can generate a string variable out of say 3 or more dummy variables.


Inactive hide details for "ALICE DOBSON" <>"ALICE DOBSON" <[email protected]>


[email protected]



st: Categorical variable

Dear All,
I use stata 9 and have a very simple question.

I have a categorical independent variable [Level of Investment] in an
unbalanced panel of firms. All firms fall within the three categories: Low,
Medium, and High investments. I code them as 1 or 0 for each category, which
are exclusive. If a firm has low level of investment then it canot have
medium or high.

My question is how do I explain to Stata that this is a categorical variable
and which of the three should be the base dummy?


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