1. abalone and bladder 
are data sets from the UCI Machine Learning Repository
Frank, A. & Asuncion, A. (2010). UCI Machine Learning Repository [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California, School of Information and Computer Science. 

2. temp, face
are data sets available at
https://webdav.tuebingen.mpg.de/cause-effect/
