[R] About graphics

Silvano silvano at uel.br
Fri Feb 5 17:46:13 CET 2010


It was exactly what I needed, thank you.

--------------------------------------
Silvano Cesar da Costa
Departamento de Estatística
Universidade Estadual de Londrina
Fone: 3371-4346
--------------------------------------


----- Original Message ----- 
From: "Duncan Murdoch" <murdoch em stats.uwo.ca>
To: "Silvano" <silvano em uel.br>
Cc: <r-help em r-project.org>
Sent: Friday, February 05, 2010 1:57 PM
Subject: Re: [R] About graphics


> On 05/02/2010 10:48 AM, Silvano wrote:
>> Hi,
>>
>> I'm building a graph (barplot) in which the X axis label 
>> disappears.
>> I tried to use the option mgp of par() and I could not 
>> get the desired result.
>>
>> Note that want the axis labels horizontally.
>>
>> caes = c(37,20,19,16,75,103)
>> names(caes) = c("Pinscher", "Pastor \n Alemão", "Poodle", 
>> "Rottweiller", "SRD", "Outros")
>> caess = sort(caes, decreasing=F)
>> par(mar=c(3, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
>>
>
> You've set margin 1 too small.  The barplot() function 
> puts the x axis label quite far from the plot, so you need 
> something like
>
> par(mar=c(6.1, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
>
> to give room for it.  I think it would look better with 
> the label closer, which you can do using
>
> mtext("Frequências", side=1, line=3)
>
> (and this would work with a smaller margin, but not as 
> small as 3).  For example,
>
> caes = c(37,20,19,16,75,103)
> names(caes) = c("Pinscher", "Pastor \n Alemão", "Poodle",
> "Rottweiller", "SRD", "Outros")
> caess = sort(caes, decreasing=F)
> par(mar=c(4.5, 5.7, 1, 1), mgp=c(4.5, .5, 0), las=1)
> barplot(caess, cex.axis=1, cex.names=1, ylab="Raças dos 
> Cães",
>        xlab="", bty='l', col="LightYellow",
> horiz=T, xlim=c(0,120))
> mtext("Frequências",side=1, line=3)
> abline(v=0)
>
>
>> barplot(caess, cex.axis=1, cex.names=1, ylab="Raças dos 
>> Cães",
>>         xlab="Frequências", bty='l', col="LightYellow", 
>> horiz=T, xlim=c(0,120))
>> abline(v=0)
>>
>> Suggestions?
>>
>> --------------------------------------
>> Silvano Cesar da Costa
>> Departamento de Estatística
>> Universidade Estadual de Londrina
>> Fone: 3371-4346
>>
>> ______________________________________________
>> R-help em r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide 
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, 
>> reproducible code.
>>
>



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