Monthly dollar volume of sales on Boston stock exchange and combined New York and American stock exchange. January 1967 -- November 1969.
boston
Bivariate time series containing the following columns:
New York and American Stock Exchange dollar volume
Boston Stock Exchange dollar volume
Makridakis, Wheelwright and Hyndman (1998) Forecasting: methods and applications, John Wiley & Sons: New York. Exercise 6.5
McGee and Carleton (1970) Piecewise regression, Journal of the American Statistical Association, 65, 1109--1124.
plot(boston)