A Viral Product Diffusion Model to Forecast the Market Performance of Products

Figure 6

Actual data and curves predicted by two models for “Nokia Lumia 920.”

(a) Aug 05, 2012–Dec 22, 2012

(b) Aug 05, 2012–May 11, 2013

(c) Aug 05, 2012–Feb 15, 2014

(d) Aug 05, 2012–Jan 23, 2016