Time series: Sales of IBM Computers
A dataset containing the first four generations of yearly IBM general-purpose computers installations in the USA.
data
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
https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=8bbf197bc39a27ccf44cfd5ed22b5db3da0c7bb2
References
Bass, P.I. and Bass, F.M. 2004. IT Waves: Two Completed Generational Diffusion Models. Working Paper Basseconomics, 1-33.