Forecast the Diffusion of New Products
Time series: Safari Browser market share
Time series: Windows OS Platform Statistics
Calculates the values for various diffusion curves, given some paramet...
Fit various diffusion curves.
Diffusion class checkers
Norton-Bass model
Fits Norton Bass curve and estimated RMSE
Fits Norton Bass curve and estimated RMSE
Plot a fitted diffusion curve.
Plot sequentially fitted diffusion curves.
Predict future periods of a fitted diffusion curve.
Print a fitted diffusion curve.
Print sequentially fitted diffusion curves.
Enables fitting various sequential diffusion curves.
Time series: Assassins Creeds
Time series: Stock of cars
Time series: Chicken weight
Time series: Sales of IBM Computers
Time series: U.S. Merchant Marine conversion to metal
Various diffusion models to forecast new product growth. Currently the package contains Bass, Gompertz, Gamma/Shifted Gompertz and Weibull curves. See Meade and Islam (2006) <doi:10.1016/j.ijforecast.2006.01.005>.