polio:
Polio cases in USA from Jan 1970 till Dec 1983
Description
The data set contains the monthly number of cases of poliomyelitis in the United States between 1970 and 1983.
Format
The dataset consists of one variable of 168 monthly observations.
polio- a numeric vector
Source
Zeger, S. A Regression Model for Time Series of Counts. Biometrica, Vol. 75, No 4 (Dec., 1988), pp. 621-629