R help - Mar 2006 - Psychometrics in R

Because of a keynote at useR! in Vienna this summer on psychometrics
(and sociometrics, econometrics, educometrics, and so on) in R
I have been writing code rather frantically for multidimensional
scaling, correspondence analysis, and logit/probit multidimensional IRT
models. You can find the code at

http://www.cuddyvalley.org/psychoR

or at my homepage

http://gifi.stat.ucla.edu

Eventually this will be packaged in the appropriate way and documented
(dream on, Jan) but it may be useful to some already in its present
state.

==Jan de Leeuw; Distinguished Professor and Chair, UCLA Department of  
Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical  
Software
US mail: 8125 Math Sciences Bldg, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550;  fax (310)-206-5658;  email: deleeuw at stat.ucla.edu
.mac: jdeleeuw ++++++  aim: deleeuwjan ++++++ skype: j_deleeuw
homepages: http://gifi.stat.ucla.edu ++++++ http://www.cuddyvalley.org
   
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           No matter where you go, there you are. --- Buckaroo Banzai
                    http://gifi.stat.ucla.edu/sounds/nomatter.au

The hitcounters show a lot of interest. I have now updated

http://www.cuddyvalley.org/psychoR/

by putting index files in every (well, almost every) subdirectory.  
This makes
browsing the subdirectories much easier, and it also protects
some stuff that nobody needs to see anyway.

In addition, the probit package had a major update and is now
almost usable.

==Jan de Leeuw; Distinguished Professor and Chair, UCLA Department of  
Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical  
Software
US mail: 8125 Math Sciences Bldg, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550;  fax (310)-206-5658;  email: deleeuw at stat.ucla.edu
.mac: jdeleeuw ++++++  aim: deleeuwjan ++++++ skype: j_deleeuw
homepages: http://gifi.stat.ucla.edu ++++++ http://www.cuddyvalley.org
   
------------------------------------------------------------------------ 
-------------------------
           No matter where you go, there you are. --- Buckaroo Banzai
                    http://gifi.stat.ucla.edu/sounds/nomatter.au