Part of#R##N#this work was supported by the South African Researchers Chair Initiative (SARChI) Chair at the University of Pretoria. Sandile Shongwe’s#R##N#research was supported in part by the National Research Foundation and Department of Science and Technology’s Innovation Doctoral#R##N#scholarship (SFH14081591713, Grant number: 95208) as well as Department of Statistics’ STATOMET, and Marien Graham’s research was supported in part by the National Research Foundation (Thuthuka program: TTK14061168807, Grant number: 94102).
['Sandile Charles Shongwe', 'M. A. Graham']
Synthetic and runs-rules charts combined with an X chart : theoretical discussion