Contiene: Overview. A statistical view of uncertainty in expert systems. Knowledge, decision making and uncertainty. Conceptual clustering and its relation to numerical taxonomy. Learning rates in supervised and unsupervised intelligent systems. Pinpointing good hyphoteses with heuristics. Artificial intelligence approaches in statistics. Rex review. Representing statistical computations: toward a deeper understanding. Student phase 1. A report on work in prgress. Representing statistical knowlegge for a expert data analysis systems. Environment for supporting statistical strategy. Use of psychometric tools for knowledge acquisitions: a case study. The analysis phase in development of knowleddge based systems. Implementation and study for statistical strategy. Patterns statitical strategy. A DIY guide to statistical strategy. An alphabet for statisticians' expert systems.