If the latest raft of retail trading updates are anything to go on, it’s pretty clear who the winners were this Christmas: the consumers. A period of heavy discounting – aimed at bolstering weak sales and protecting elusive customer loyalty – was good news for cash-conscious customers, but left many
This week's SAS tip is from Applied Data Mining for Forecasting Using SAS by Tim Rey, Arthur Kordon, and Chip Wells. Whether you're a forecasting practitioner, engineer, statistician, or economist, you'll appreciate the many real-world examples in the book. And hopefully this free excerpt. The following excerpt is from SAS Press
The farther you try to forecast into the future, the less certain you are -- how can you represent that graphically? One way is to draw a shaded/colored "confidence interval" around your forecast line, but this is something a lot of SAS users have trouble with. That's why I decided to create
