Dataset:  passenger2.dat

Source: J. Johnston (1956), "Scale, Costs, and Profitability in Road
Passenger Transport," The Journal of Industrial Economics Vol 4, pp207-223.

Description: Time series analysis of expenses and mileage
for a large British bus company (33 time periods).

Variables/Columns:
Time period       7-8
Total deflated Expenses (100,000s of pounds)  12-16  
Car miles  (millions)   20-24