tsIbm {diffusion} | R Documentation |
Time series: Sales of IBM Computers
Description
A dataset containing the first four generations of yearly IBM general-purpose computers installations in the USA.
Format
A data frame with 24 observations and 4 variables
- SIU1
1st generation
- SIU2
2nd generation (starts 6 years after first generation)
- SIU3
3rd generation (starts 11 years after first generation)
- SIU4
4th generation (starts 16 years after first generation)
Source
References
Bass, P.I. and Bass, F.M. 2004. IT Waves: Two Completed Generational Diffusion Models. Working Paper Basseconomics, 1-33.
[Package diffusion version 0.4.0 Index]