data(discrimination)
markovdata
.Ingmar Visser, Verena D. Schmittmann, and Maartje E. J. Raijmakers (2007). Markov process models for discrimination learning. In: Kees van Montfort, Han Oud, and Albert Satorra (Eds.), Longitudinal models in the behavioral and related sciences, Mahwah (NJ): Lawrence Erlbaum Associates.
Verena D. Schmittmann, Ingmar Visser and Maartje E. J. Raijmakers (2006). Multiple learning modes in the development of rule-based category-learning task performance. Neuropsychologia, vol 44(11), p. 2079-2091.