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Psychometrika2
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MacCallum, Robert C.2
Cornelius, Edwin T., III1
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A Monte Carlo Investigation of Recovery of Structure by ALSCAL
Peer reviewed Peer reviewed
MacCallum, Robert C.; Cornelius, Edwin T., III – Psychometrika, 1977
A Monte Carlo study was carried out to investigate the ability of the ALSCAL multidimensional scaling program to recover true structure inherent in simulated proximity data. The results under varying conditions were mixed. Practical implications and suggestions for further research are discussed. (Author/JKS)
Descriptors: Computer Programs, Individual Differences, Mathematical Models, Monte Carlo Methods
Recovery of Structure in Incomplete Data by ALSCAL.
Peer reviewed Peer reviewed
MacCallum, Robert C. – Psychometrika, 1979
A Monte Carlo study investigated the ability of the ALSCAL multidimensional scaling program to recover true structure inherent in simulated proximity measures when data were missing. The program worked well with up to 60 percent missing data as long as sample size was large and random error was low. (Author/JKS)
Descriptors: Computer Programs, Multidimensional Scaling, Program Effectiveness, Simulation