Description

Monthly time series of poliomyelitis cases reported to the U.S. Centers for Disease Control for the years 1970 to 1983, 168 observations.

Format

The format is: Time-Series [1:168] from 1970 to 1984: 0 1 0 0 1 3 9 2 3 5 ...

Details

The data were originally modelled by Zeger (1988).

Source

Data taken from the gamlss.data package; see https://www.gamlss.com/.

References

Zeger, S. L. (1988), “A Regression Model for Time Series of Counts,” Biometrika, 75, 822-835.

Examples