polio
From gcmr v1.0.2
by Cristiano Varin
Polio Time Series
Time series of Polio incidences in U.S.A. from 1970 to 1983.
 Keywords
 datasets
Usage
data(polio)
Format
A data frame with the 168 monthly observations (from January 1970 to December 1983) with the following variables

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 semiannual seasonal component. 
sin( 2*pi*t/6 ) 
sine semiannual seasonal component. 
Examples
# NOT RUN {
data(polio)
# }
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