Predicting student performance on post-requisite skills using prerequisite skill data: an alternative method for refining prerequisite skill structures.
Seth Akonor AdjeiAnthony F. BotelhoNeil T. HeffernanPublished in: LAK (2016)
Keyphrases
- synthetic data
- data sets
- prior knowledge
- high quality
- input data
- test data
- missing data
- statistical methods
- data processing
- significant improvement
- noisy data
- data collection
- prior information
- high precision
- segmentation method
- preprocessing
- similarity measure
- image data
- raw data
- information loss
- data structure
- spectral clustering
- data quality
- graph structures
- missing values
- high dimensional data
- training samples
- data mining techniques
- principal component analysis
- data points
- data sources
- computational cost
- face recognition