Message-ID: <1344950732316-4640266.post@n4.nabble.com>
Date: 2012-08-14T13:25:32Z
From: Lee van Cleef
Subject: length of variable in mlogit
In-Reply-To: <CAAmySGOZzhiZsmOLn8RV93o287ADuSD_+mrw9XASCieVQGqS+Q@mail.gmail.com>
Hi Michael,
many thanks for the useful hints which gave me some deeper knowledge of R.
It is definitely much appreciated.
I think I have found the mistake - the problems did not arise from variable
definitions etc. It was an intellectual mistake.
The cause for the problems was that I had to divide a variable into single
alternatives. The problematic variable referred to Party Identity. The whole
matrix with the single parties as columns was of course not suitable for a
variable with an alternative specific coefficient. Instead, each
column/party was a single individual specific variable with an alternative
specific coefficient.
Now it works.
Best wishes!
--
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