Ceiling Effects: Machine Learning
14 datasets from UCI corpus of benchmarks
- used as mainstay of ML community
Problem is learning classification rules
- each item is vector of features and a classification
- measure classification accuracy of method (max 100%)
Compare C4 with 1R*, two competing algorithms:
DataSet: BC CH GL G2 HD HE … Mean
C4 72 99.2 63.2 74.3 73.6 81.2 ... 85.9
1R* 72.5 69.2 56.4 77 78 85.1 ... 83.8