Abstract

Review of Five Multilevel Analysis Programs: BMDP-SV, GENMOD, HLM, ML3, VARCL Ita G. G. KREFT, Jan DE LEEUW, and Rien VAN DER LEEDEN structures and an ESTIMATE keyword-statement provid- BMDP-SV ing extra options for estimation and testing. HLM is now available as Version 2.2. A three-level ver- Designed by Jennrich and Schluchter. Available as a sion of the program is soon to be released. Enhancements procedure in the BMDP package. We used release 6.0. should include improved portability, a dynamic memory There are a number of different BMDP implementations allocation, and more options for estimation and testing. with corresponding prices. The software and manual for BMDP-5V on a MS-DOS PC costs $17.50, it requires the ML3 is now in Version 2.3. The program now can fit BMDP core package. All the options are available from models with more parameters and some new commands BMDP Statistical Software, 1440 Sepulveda Boulevard, were added for handling random cross-classifications. The present version of VARCL is dated January 1990. Suite 316, Los Angeles, CA 90025. A preprocessor is soon to be released, which will provide GENMOD Written by Hermalin and Anderson, Population Stud- options for data transformation, aggregation and selection, ies Center, University of