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Wainer, Howard – 1982
The past decade has seen a substantial growth in methods and schemes for the display of multivariate data. This paper encompasses a sketch of the history of multivariate displays, from the pre-Columbian Quipu to Chernoff's Face; examines a number of techniques; describes their construction; illustrates their use; and comments on their efficacy.…
Descriptors: Data Analysis, Display Aids, Graphs, Multivariate Analysis
Peer reviewed Peer reviewed
Wainer, Howard – Journal of Educational Measurement, 1984
Techniques of exploratory data analysis (EDA) were used to decompose data tables portraying performance of ethnic groups on the Scholastic Aptitude Test. These analyses indicate the size and structure of differences in performance among groups studied, nature of changes across time, and interactions between group membership and time. (Author/DWH)
Descriptors: College Entrance Examinations, Data Analysis, Educational Trends, Ethnic Groups