[R] How to plott bar graphics

[Jim Lemon]

Hi Ujjwal,
Given that you have asked about a barplot and included standard errors, you
probably want something like the following:

uk.df<-read.table(text=
 "habitat,proportion_use,proportion_use_SE,selectivity_index,selectivity_index_SE
 grassland,0.56,0.22,0.72,0.29
 sal_forest,0.11,0.04,-0.43,0.13
 bamboo-mix,0.22,0.07,0.05,0.02
 miscellaneous,0.11,0.03,-0.59,0.18",sep=",",header=TRUE)
library(plotrix)
barpos<-barp(uk.df[c("proportion_use","selectivity_index")],
 names.arg=c("proportion_use","selectivity_index"),
 main="Habitat Use Plot",ylab="Proportion of use",
 col=2:5,ylim=c(-1,1.1))
dispersion(barpos$x,barpos$y,
 ulim=as.matrix(uk.df[c("proportion_use_SE","selectivity_index_SE")]))
legend(0.7,-0.3,uk.df$habitat,fill=2:4)

You will almost certainly be told that you shouldn't do this, so maybe you
should consider:

matplot(matrix(c(0.9,1.1,1.9,2.1,2.9,3.1,3.9,4.1),nrow=4,byrow=TRUE),
 uk.df[c("proportion_use","selectivity_index")],
 ylab="Proportion and selectivity of use",
 ylim=c(-1,1.1),pch=18:19,col=2:3,xaxt="n",xlab="Habitat",
 main="Habitat Use Plot")
axis(1,at=1:4,labels=uk.df$habitat)
dispersion(matrix(c(0.9,1.1,1.9,2.1,2.9,3.1,3.9,4.1),nrow=4,byrow=TRUE),
 as.matrix(uk.df[c("proportion_use","selectivity_index")]),
 ulim=as.matrix(uk.df[c("proportion_use_SE","selectivity_index_SE")]))
legend(2.5,1,c("Proportion of use","Selectivity of use"),
 pch=18:19,col=2:3)

Jim


On Sun, Oct 25, 2015 at 11:22 PM, Michael Dewey <lists at dewey.myzen.co.uk>
wrote:

> Dear Ujjwal
>
> Two problems
> 1 - you posted in HTML so your post is unreadable
> 2 - your attached graphic was not in one of the formats which R-help
> accepts and so was stripped
>
>
> On 25/10/2015 11:04, Ujjwal Kumar wrote:
>
>> HI friends
>> I am struggling in plotting bar graph with this data sets in R. although I
>> can plot it in Microsoft excel( attached graphics). I need help in coding
>> it for R.(SE=standar error)
>>
>>> data
>>>>
>>> habitat
>>> proportion_use
>>> proportion_use_SE
>>> selectivity_index
>>> selectivity_index_SE
>>> grassland
>>> 0.56
>>> 0.22
>>> 0.72
>>> 0.29
>>> sal_forest
>>> 0.11
>>> 0.04
>>> -0.43
>>> 0.13
>>> bamboo-mix
>>> 0.22
>>> 0.07
>>> 0.05
>>> 0.02
>>> miscellaneous
>>> 0.11
>>> 0.03
>>> -0.59
>>> 0.18
>>>
>>>> excel-graphics
>>>>
>>>
>>>
>>> regards:
>>> Ujjwal
>>>
>>
>>         [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> 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.
>>
>>
> --
> Michael
> http://www.dewey.myzen.co.uk/home.html
>
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.
>

	[[alternative HTML version deleted]]