An analysis of community structure detection for educational coopetitionÜbi, Jaan; Liiv, Innar; Übi, Evald; Võhandu, Leo2013 Second International Conference on e-Learning and e-Technologies in Education (ICEEE 2013) : proceedings of a meeting held 23-25 September 2013, Lodz, Poland2013 / p. 104-109 : ill

Predicting student retention by comparing histograms of bootstrapping for Charnes-Cooper transformation-linear programming discriminant analysisÜbi, Jaan; Übi, Evald; Liiv, Innar; Võhandu, Leo2013 Second International Conference on e-Learning and e-Technologies in Education (ICEEE 2013) : proceedings of a meeting held 23-25 September 2013, Lodz, Poland2013 / p. 110-114 : ill