| sales {EngrExpt} | R Documentation |
Sales versus capital expenditure over 48 months
A data frame with 48 observations (ordered by month) on the following 3 variables.
capitalpindexsalesPeter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)
str(sales)