On small data sets revealing big differences

Authors:
Thanasis Hadzilacos;Dimitris Kalles;Christos Pierrakeas;Michalis Xenos
Affiliations:
Hellenic Open University, Patras, Greece;Hellenic Open University, Patras, Greece;Hellenic Open University, Patras, Greece;Hellenic Open University, Patras, Greece
Venue:
SETN'06 Proceedings of the 4th Helenic conference on Advances in Artificial Intelligence
Year:
2006

Citing 2
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Abstract

We use decision trees and genetic algorithms to analyze the academic performance of students throughout an academic year at a distance learning university. Based on the accuracy of the generated rules, and on cross-examinations of various groups of the same student population, we surprisingly observe that students' performance is clustered around tutors.