1. Speaker Accent Recognition: Data set featuring single English words read by speakers from six different countries for accent detection and recognition
2. Congressional Voting Records: 1984 United Stated Congressional Voting Records; Classify as Republican or Democrat
3. Autism Screening Adult: Autistic Spectrum Disorder Screening Data for Adult. This dataset is related to classification and predictive tasks.
4. Student Performance: Predict student performance in secondary education (high school).
5. Sports articles for objectivity analysis: 1000 sports articles were labeled using Amazon Mechanical Turk as objective or subjective. The raw texts, extracted features, and the URLs from which the articles were retrieved are provided.