A Survey on Pre-Processing Educational Data

  • Cristóbal RomeroEmail author
  • José Raúl Romero
  • Sebastián Ventura
Part of the Studies in Computational Intelligence book series (SCI, volume 524)


Data pre-processing is the first step in any data mining process, being one of the most important but less studied tasks in educational data mining research. Pre-processing allows transforming the available raw educational data into a suitable format ready to be used by a data mining algorithm for solving a specific educational problem. However, most of the authors rarely describe this important step or only provide a few works focused on the pre-processing of data. In order to solve the lack of specific references about this topic, this paper specifically surveys the task of preparing educational data. Firstly, it describes different types of educational environments and the data they provide. Then, it shows the main tasks and issues in the pre-processing of educational data, Moodle data being mainly used in the examples. Next, it describes some general and specific pre-processing tools and finally, some conclusions and future research lines are outlined.


Educational data mining process Data pre-processing Data preparation Data transformation 



Adaptive and intelligent hypermedia system


Attribute-relation File Format


Computer-based education


Comma-separated values


Data mining


Educational data mining


Hypertext Markup language




Internet Protocol


Intelligent tutoring system


Knowledge discovery in databases


Learning management system


Multiple choice question


Management information system


Massive Open Online Course


Online Analytical Processing


Structured Query Language


Web Usage Mining


World Wide Web


Extensible Markup Language



This research is supported by projects of the Regional Government of Andalucía and the Ministry of Science and Technology, P08-TIC-3720 and TIN-2011-22408, respectively, and FEDER funds.


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Cristóbal Romero
    • 1
    Email author
  • José Raúl Romero
    • 1
  • Sebastián Ventura
    • 1
  1. 1.Department of Computer Science and Numerical AnalysisUniversity of Córdoba Campus de RabanalesCórdobaSpain

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