Learn R Programming

NGSSEML (version 2.1)

Yt: The Polio Data

Description

The data consist of monthly counts of poliomyelitis cases in the USA from the year 1970 to 1983.

Usage

data(Yt)

Arguments

Format

A data frame with 168 observations on the following 8 variables.

Details

The covariates are the deterministic trend centered at 73 and divided by 1000, annual and semiannual cosine and annual and semiannual sine.

References

Zeger, S.L. (1988). A regression model for time series of counts. Biometrika 75, 621-29.

Examples

Run this code
# NOT RUN {
data(Yt)
# }

Run the code above in your browser using DataLab