As part of my consulting to Startup in the domain of retails I wrote this code.
The models are from:
Ebbage, Alison. "Retail's breadcrumb trail." Engineering & Technology 10.3 (2015): 70-72.
Fader, Peter S., and Bruce GS Hardie. "Modeling the evolution of repeat buying." Available at www-marketing. wharton. upenn. edu/ideas/pdf/98-031. pdf (1999).
Fader, Peter S., Bruce GS Hardie, and Robert Zeithammer. "Forecasting new product trial in a controlled test market environment." Journal of Forecasting 22.5 (2003): 391-410.
Fader, Peter S., Bruce GS Hardie, Robert Zeithammer. Jim Findley "Forecasting new product sales in a controlled test market environment." (2003) *never published
All the paper are about predicting demand of new entry of a product