tsibm: Time series: Sales of IBM Computers

Description Format Source References

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

https://goo.gl/VSEkgM

References

Bass, P.I. and Bass, F.M. 2004. IT Waves: Two Completed Generational Diffusion Models. Working Paper Basseconomics, 1-33.


mamut86/diffusion documentation built on Jan. 29, 2019, 6:22 p.m.