R help - May 2001 - Troubles with plot margins

I am trying to set the margins of a plot with mai and I get a strange output.
I write:
plot(rnorm(1000),type="l",mai=c(1,1,1,1))
and what I get is a plot with unchanged margins and a column of four 1 plotted
on the top margin.

Marco Taboga (mtaboga at tiscalinet.it)
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> Marco Taboga wrote:
> 
> I am trying to set the margins of a plot with mai and I get a strange
> output.
> I write:
> plot(rnorm(1000),type="l",mai=c(1,1,1,1))
> and what I get is a plot with unchanged margins and a column of four 1
> plotted on the top margin.
In plot(..., mai = ...) , R thinks mai is short for "main" and sets
c(1,
1, 1, 1) as the main title.

What you should try:
 par(mai = rep(1, 4))
 plot(...)


Uwe
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On Wed, 2 May 2001, Marco Taboga wrote:
> I am trying to set the margins of a plot with mai and I get a strange
output.
> I write:
> plot(rnorm(1000),type="l",mai=c(1,1,1,1))
> and what I get is a plot with unchanged margins and a column of four 1
plotted on the top margin.
mai matches main, which is an argument to plot.default.
It can't be set in plot, anyway.
> plot(rnorm(1000),type="l",mai=c(1,1,1,1), main=NULL)
Warning messages:
1: parameter "mai" couldn't be set in high-level plot() function
2: parameter "mai" couldn't be set in high-level plot() function
...

Use

par(mai=c(1,1,1,1))
plot(rnorm(1000))


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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