SAS code for Newton algorithm for LINEXP model in Hu, Yang and Stufken (2014) SAS code for OWEA algorithm for polynomial regression model in Hu, Yang and Stufken (2014) SAS code for OWEA algorithm for LINEXP model in Hu, Yang and Stufken (2014) SAS code for Newton algorithm for polynomial regression model in Hu, Yang and Stufken (2014)