gcmr (version 1.0.2)

polio: Polio Time Series

Description

Time series of Polio incidences in U.S.A. from 1970 to 1983.

Usage

data(polio)

Arguments

Format

A data frame with the 168 monthly observations (from January 1970 to December 1983) with the following variables

y

time series of polio incidences.
t*10^( -3 ) linear trend multiplied by factor \(10^{(-3)}\).
cos( 2*pi*t/12 ) cosine annual seasonal component.
sin( 2*pi*t/12 ) sine annual seasonal component.
cos( 2*pi*t/6 ) cosine semi-annual seasonal component.
sin( 2*pi*t/6 ) sine semi-annual seasonal component.

Examples

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

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