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sales

Sales versus capital expenditure

Description

Sales versus capital expenditure over 48 months

Format

A data frame with 48 observations (ordered by month) on the following 3 variables.

capital

a numeric vector

pindex

a numeric vector

sales

a numeric vector

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

str(sales)
EngrExpt

Data sets from "Introductory Statistics for Engineering Experimentation"

v0.1-8
GPL (>= 2)
Authors
R port by Douglas Bates <bates@stat.wisc.edu> and Karen A.F. Copeland <karen@boulderstats.com>
Initial release
2009-08-21

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