Core Methods in Educational Data Mining

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Presentation transcript:

Core Methods in Educational Data Mining HUDK4050 Fall 2015

Assignment C4 What are some interesting rules that people found?

Assignment C4 How did people find their rules?

Last thoughts or comments on sequential pattern mining

Text Mining

Thoughts about video lecture?

How is textual data different than interaction data?

What are the advantages and disadvantages Of looking for counts of words Also called “bag of words”/LSA Of looking for bigrams Of looking for trigrams Of looking for grammatical structures

Semantic Tagging What is it?

WMatrix categories http://ucrel.lancs.ac.uk/people/paul/publications/phd2003.pdf At the end

What are the advantages and disadvantages Of semantic tagging versus looking for specific words

Questions/Comments?

What measures (of student responses) did Graesser et al. paper use?

What measures (of student responses) did Graesser et al. paper use? Learner Verbosity LSA-based comparison to “good” and “bad” answers Change in degree of goodness of answer

Questions/Comments About Graesser et al. paper?

Talk about other papers (2015)

What was goal/approach of Adamson et al. paper

Questions/comments About Adamson paper?

What was goal/approach of Crossley et al. paper

Questions/comments About Crossley paper?

Assignment C5 Visualization Questions? Email me your visualizations

Assignment C6 Final project Please read assignment, I keep getting questions that indicate people have not read assignment Questions?

Next Class Monday, December 10: Visualization Readings Baker, R.S. (2014) Big Data and Education. Ch. 6, V1, V2, V3, V4, V5. Kay, J., Maisonneuve, N., Yacef, K., Reimann, P. (2006) The big five and visualisations of team work activity. Intelligent Tutoring Systems: Proceedings 8th International Conference, ITS 2006, 197-206. Ritter, S., Harris, T., Nixon, T., Dickinson, D., Murray, R.C., Towle, B. (2009) Reducing the Knowledge Tracing Space. Proceedings of the 2nd International Conference on Educational Data Mining, 151-160. Martinez, R., Kay, J., Yacef, K. (2011) Visualisations for longitudinal participation, contribution and progress of a collaborative task at the tabletop. International Conference on Computer Supported Collaborative Learning, CSCL 2011, 25-32.

Some final project presentations next class Check where you are on the sign-up sheet on the forum!

The End