Evaluating goodness of fit in nonmetric multidimensional scaling by ALSCAL.

MacCallum, Robert C.
1981
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Evaluating goodness of fit in nonmetric multidimensional scaling by ALSCAL.

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1981

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Two types of information are provided to aid users of ALSCAL in evaluating goodness of fit in nonmetric two-way and three-way multidimensional scaling analyses. First, equations are developed for estimating the expected values of SSTRESS and STRESS for random data. Second, a table is provided giving mean values of SSTRESS and STRESS for structured artificial data. This information provides the empirical investigator with a second comparative basis for evaluating values of these indices.

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Applied Psychological Measurement, Volume 05, 1981

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MacCallum, Robert. (1981). Evaluating goodness of fit in nonmetric multidimensional scaling by ALSCAL. Applied Psychological Measurement, 5, 377-382. doi:10.1177/014662168100500311

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MacCallum, Robert C.. (1981). Evaluating goodness of fit in nonmetric multidimensional scaling by ALSCAL.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/100413.

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