Chi-squared and associations in tabularaudiology data

Anwar, Naveed, Oakes, Michael and McGarry, Ken (2010) Chi-squared and associations in tabularaudiology data. In: World Congress on Engineering 2010, 30 June - 2 July 2010, London.

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In this paper, we have used the chi-squared test and Yule’s Q measure to discover associations in tables of patient audiology data. These records are examples of heterogeneous medical records, since they contain audiograms, textual notes and typical relational fields. In our first experiment we used the chi-squared measure to discover associations between the different fields of audiology data such as patient gender and patient age with diagnosis. Then, in our second experiment we used Yule’s Q to discover the strength and direction of the significant associations found by the chi-squared measure. We then examined two measures of association commonly used in market basket analysis, support and confidence. These did not yield any further associations. We discuss our findings in the context of producing an audiology decision support system.

Item Type: Conference or Workshop Item (Paper)
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
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Depositing User: Naveed Anwar
Date Deposited: 24 Apr 2015 14:35
Last Modified: 13 Oct 2019 00:31

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