campy {gsse401}R Documentation

GSSE 401 - Campylobacter data

Description

The campy data frame has 60 rows and 4 columns.

This data-set records monthly numbers of incident campylobacter cases in the Morecambe Bay area, from January 1990 to December 1994 inclusive.

Usage

data(campy)

Format

This data frame contains the following columns:

month
a numeric vector with the number of month.
cases
a numeric vector with the number of incident cases.
nstrend
a numeric vector with non-seasonal trend estimated by moving average smoothing as explained in lecture notes.
strend
a numeric vector with seasonal trend estimated by moving average smoothing as explained in lecture notes.

Source

Supplied by Dr K Jones (Lancaster University, UK).

Examples

data(campy)
attach(campy)
plot(month, cases)
lines(month, nstrend, lty=2)
lines(month, strend, lty=3)