Forecast the Diffusion of New Products

Various diffusion models to forecast new product growth. Currently the package contains Bass, Gompertz and Gamma/Shifted Gompertz curves. See Meade and Islam (2006) .


GitHub version R package diffusion is for forecasting with diffusion models

Currently the following diffusion models are implemented:

  1. Bass model
  2. Gompertz model
  3. Gamma/Shifted Gompertz model
  4. Norton-Bass model for generational modelling (not working well)

Installation

For installation from github use the following R code by using devtools:

if (!require("devtools")){install.packages("devtools")}
devtools::install_github("mamut86/diffusion")

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Reference manual

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install.packages("diffusion")

0.2.7 by Oliver Schaer, a year ago


https://github.com/mamut86/diffusion


Report a bug at https://github.com/mamut86/diffusion/issues


Browse source code at https://github.com/cran/diffusion


Authors: Oliver Schaer [aut, cre] , Nikolaos Kourentzes [aut]


Documentation:   PDF Manual  


GPL (>= 2) license


Imports dfoptim, nloptr, systemfit


See at CRAN