A Prototype System for Interactive Data Analysis.

by Gerald Levitt, D. H. Stewart, B. Yormark

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Research data collections often present problems to the data analyst, particularly when data are being used to seek new hypotheses. When a problem is complicated by relationships involving several variables, considerable trial and error may be necessary to develop an understanding of the data. The RAND prototype system aids the researcher in accessing his data and helps him to interactively apply a wide range of analytic procedures. It enables him to review the raw data in tabular and graphical form; add to or delete from the basic database; flexibly subset and restructure the data for hypothesis testing and formulation; and apply many of the standard statistical tests. The potential usefulness of the system has been experienced in the areas of medical studies, econometrics, computer performance measurement, and analysis of management data. 34 pp. Ref.

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