R help - Feb 2010 - Newbie woes with par:mar

I have a simple barchart with horizontal bars and horizontal tick labels,
produced with

barplot(x, horiz = T, names.arg = c, las = 1)

The labels are longish strings, truncated on the plot. I wish to leave more
space for the left margin, and experiment with mar parameter,

barplot(x, horiz = T, names.arg = c, las = 1, mar = c(5, 15, 4, 2))

trying various values for the second vector element, but do not notice any
change. Consulting this nice tutorial

http://research.stowers-institute.org/efg/R/Graphics/Basics/mar-oma/index.htm

has not helped. Can anyone point me in the right direction?

Thank you.
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On 2010-02-21 12:51, Dimitri Shvorob wrote:
>
> I have a simple barchart with horizontal bars and horizontal tick labels,
> produced with
>
> barplot(x, horiz = T, names.arg = c, las = 1)
>
> The labels are longish strings, truncated on the plot. I wish to leave more
> space for the left margin, and experiment with mar parameter,
>
> barplot(x, horiz = T, names.arg = c, las = 1, mar = c(5, 15, 4, 2))
>
par(mar = c(5, 15, 4, 2))
barplot(x, .....)

I always find it best to set my graphics pars first instead of
overloading the plot call (where, as you've discovered, some of
the par settings don't work).

  -Peter Ehlers
> trying various values for the second vector element, but do not notice any
> change. Consulting this nice tutorial
>
>
http://research.stowers-institute.org/efg/R/Graphics/Basics/mar-oma/index.htm
>
> has not helped. Can anyone point me in the right direction?
>
> Thank you.
-- 
Peter Ehlers
University of Calgary

Thanks a lot, Peter!
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