Phil,

Does the following do what you want?

plot(RecfS,

ylab = 'Temperature (deg C)',

xlab = 'Year',

main = 'Average air temperature (deg C) at Recife, Brazil, in

successive months from 1953 to 1962',

adj = 0.5,

axes=FALSE)

axis(1, at=1952:1962, label=paste("Jan", 52:62), las=2)

axis(2)

box()

--Matt

-----Original Message-----

From:

[hidden email]
[mailto:

[hidden email]]On Behalf Of Philip Turk

Sent: Tuesday, December 20, 2005 8:37 PM

To:

[hidden email]
Subject: [R] How do I edit the x-axis on a time series plot?

I am merely trying to reproduce Figure 1.2 of Chris Chatfield's 6th

edition of his The Analysis of Time Series: An Introduction (page 2).

The S-PLUS code is on pages 305-306. I am almost there but I am having a

heck of a time trying to modify and change the x-axis per the book. The

book shows the x-axis with 10 tick marks, correctly positioned, and

labeled "Jan 53", ..., "Jan 62". I have not provided the data for the

sake of brevity although it is readily available at

http://www.bath.ac.uk/~mascc/Recife.TSCan anyone help?

recife <- as.vector(t(recife))<>

RecfS <- ts(recife, start = c(1953,1), frequency = 12) <>

plot(RecfS, ylab = Temperature (deg C), xlab = Year, main = Average

air temperature (deg C) at Recife, Brazil, in successive months from

1953 to 1962, adj = 0.5)

Thanks,

Philip Turk

<>

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