[R] barplot question

[Peter Alspach]

Mark

> i'm doing a bar plot and there are 16 column variables. is
> there a way to make the variable names go down instead of
> across when you do the barplot ?
> because the names are so long, the barplot just shows 3 names
> and leaves the rest out. if i could rotate the names 90
> degrees, it would probably fit a lot more.

Is this the sort of thing you mean:

temp <- barplot(rnorm(16, 3))
text(temp, rep(-0.2, 16), paste('trt', 1:16), srt=90, adj=1)

Peter Alspach

> or maybe i can use space to make the horizontal width longer
> ? I looed up ?barlot but i'm not sure. when 1st and 2nd are
> on the bottom, things look fine but i'm not as interesed in
> those 2 barplots. 
> 
> i didn't use any special options. i just did
> 
> barplot(probsignmatrix)
> barplot(t(probsignmatrix))
> 
> barplot(probsignmatrix,beside=T)
> barplot(t(probsignmatrix),beside=T)
> 
> 
> 
> i put probsignmatrix below in case someone wants to see what
> i mean because it may not be clear. i don't expect anyone to
> type it in but rounding would still show what i mean.
> thanks a lot.
> 
> 
>  pppppcount pmpppcount pmmppcount pmmmpcount pmmmmcount
> ppppmcount pppmmcount ppmmmcount ppmppcount ppmmpcount
> pppmpcount ppmpmcount pmpmpcount pmpmmcount pmmpmcount
> pmppmcount 1st 0.03477157 0.02842640 0.03157360 0.03365482
> 0.04010152 0.03553299
> 0.03989848 0.04182741 0.02817259 0.03203046 0.02781726 0.02218274
> 0.01771574 0.02289340 0.02583756 0.02390863 2nd 0.04648895
> 0.02901495 0.03092490 0.03064044 0.04108420 0.03998700
> 0.03958062 0.04059655 0.03039662 0.03027471 0.02901495 0.02170026
> 0.01601105 0.02287874 0.02165962 0.02267555
> --------------------------------------------------------

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