select_pivots: pivot selection methods for sentiment analysis
- Methods: FREQ, MI, PMI
- Datasets: L, U
landmark_pivot: landmark-based pivot selection method
- Pre-defined: PPMI
- Datasets: S_L, T_U (UDA with SPS)
compare_ranking: similarity of selected pivots between datasets and among methods
- Intersection: Jaccard Coeffients
- Ordering: Kandell Rank Coeffients
evaluate_scl/sfa: performance on DA methods by applied pivot selection methods
- Testing Measure: Classification Accuracy, Clopper Pearson
- DA methods: SCL, SFA