Papers on Clustering available for downloading in Adobe PDF form.

Pattern Clustering by Multivariate Mixture Analysis (1970). This is the main paper describing mixture analysis and the NORMIX program. The Citation List, which can also be downloaded,  has many hundreds of articles, books, and reports citing this paper.

Patterns of Vocational Interest (1978). This paper shows the application of NORMIX to grouping 113 occupations according to 22 dimensions of vocational interest.

A Computer Program for the Maximum Likelihood Analysis of Types (1965) This is an early report describing a precursor to the NORMIX computer program.

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