Polio_data: The Polio Data

Description Usage Format Details Source References Examples

Description

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

Usage

1

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.

Source

Centers for Disease Control, USA.

References

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

Examples

1

NGSSEML documentation built on Sept. 5, 2021, 5:36 p.m.

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