"We give a brief overview of methods for data visualisation. Then we focus on a field of educational data, namely electronic/internet-based tests, and show what are main features that must be taken in account in a process of visual analysis. We describe bc.razor.cz.ver.2, a new version of a library for visualization and data analysis that has been developed at KD Lab FI MU Brno and is freely available. We present new tools that have been used for educational data analysis."@en . . . . "The Proceedings of the 8th European Conference on e-Learning ECEL 2009" . "RIV/00216224:14330/09:00039355" . . "978-1-906638-52-8" . "Visual Analytics for Educational Data Analysis"@en . "We give a brief overview of methods for data visualisation. Then we focus on a field of educational data, namely electronic/internet-based tests, and show what are main features that must be taken in account in a process of visual analysis. We describe bc.razor.cz.ver.2, a new version of a library for visualization and data analysis that has been developed at KD Lab FI MU Brno and is freely available. We present new tools that have been used for educational data analysis." . "Bari" . "Bari" . "RIV/00216224:14330/09:00039355!RIV11-MSM-14330___" . . "1"^^ . "Kedaj, Zden\u011Bk" . . "8"^^ . "[74486B61C0E2]" . "3"^^ . . "Visual Analytics for Educational Data Analysis" . "Visualisation; visual data mining; educational data mining; electronic testing"@en . . . . . . "S" . "2009-01-01+01:00"^^ . "Popel\u00EDnsk\u00FD, Lubom\u00EDr" . "Visual Analytics for Educational Data Analysis"@en . . "Academic Conferences Ltd." . "Nov\u00E1kov\u00E1, Lenka" . . . "14330" . . "348988" . "Visual Analytics for Educational Data Analysis" .