I do not believe another IRT package exists. However, I have recently used the rasch() function in ltm for a study I am doing and have found it very useful. I'm curious (as I'm sure the ltm developer is) as to what are you doing that ltm cannot handle.

Harold  


-----Original Message-----
From:	r-help-bounces@stat.math.ethz.ch on behalf of Caio Lucidius Naberezny Azevedo
Sent:	Sat 11/26/2005 4:50 PM
To:	r-help@stat.math.ethz.ch
Cc:	
Subject:	[R] IRT Package

Hi all,
   
  Could anyone tell me if there is some package that fits any Item Response Model (further the ltm package)?
   
  Regards,
  
Caio

		
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