[R] Help: barchart() {Lattice}

[Felix Andrews]

2009/12/3 Peng Cai <pengcaimaillist at gmail.com>:
> Hi Felix,
>
> Thanks for your help. If I'm defining my own y-scales like the one in R code
> below, then can I remove right side tick marks?

Yes. Look at the description of the "scales" argument in ?xyplot


>
> dta<-read.table("data.txt", header=TRUE, row.names="Names")
> library(lattice)
> yScale <- seq(-200, 200, 10)
> barchart(data.matrix(dta),
>       horizontal=FALSE,
>       stack=TRUE,
>       par.settings = simpleTheme(col = 3:5),
>       auto.key=list(space="right"),
>       border=NA,
>     scales = list(y = list(at = yScale))
> )
>
> Thanks,
> Peng
>
> On Wed, Dec 2, 2009 at 5:44 PM, Felix Andrews <felix at nfrac.org> wrote:
>>
>> 2009/12/3 Peng Cai <pengcaimaillist at gmail.com>:
>> > Hi R Users,
>> >
>> > I'm using following data/code (data is attached also) to produce a
>> > stacked
>> > barplot.
>> >
>> > # Sample Data:
>> > Names Col1 Col2 Col3
>> > Row1 -20 40 -10
>> > Row2 30 -20 40
>> > Row3 30 10 -20
>> > Row4 20 20 -10
>> >
>> >
>> > # R Code:
>> > dta<-read.table("data.txt", header=TRUE, row.names="Names")
>> > barchart(data.matrix(dta),
>> >     horizontal=FALSE,
>> >     stack=TRUE,
>> >     par.settings = simpleTheme(col = 3:5),
>> >     auto.key=list(space="right"),
>> >     border=NA
>> > )
>> >
>> > I need help with:
>> >
>> > 1. How can I remove the (y-axis) tick marks on the right side of the
>> > plot.
>>
>> Since you only have one panel, try scales = "free"
>>
>>
>> > 2. While reading in the data, I'm using "row.names=Names". Can I
>> > generalize
>> > this? What I mean is if for some other data set, the row names column
>> > has some other name (say Names2) or may be just blank. Can I still
>> > produce a
>> > similar graph plotting row labels (in this case they are Row1, Row2,
>> > ...) on
>> > x-axis.
>>
>> row.names can be a column number (1)
>> See ?read.table
>> It also describes the behaviour when the row names column is blank.
>>
>> >
>> > Any help would be appreciated,
>> >
>> > Thanks,
>> > Peng
>> >
>> > ______________________________________________
>> > R-help at 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.
>> >
>> >
>>
>>
>>
>> --
>> Felix Andrews / 安福立
>> Postdoctoral Fellow
>> Integrated Catchment Assessment and Management (iCAM) Centre
>> Fenner School of Environment and Society [Bldg 48a]
>> The Australian National University
>> Canberra ACT 0200 Australia
>> M: +61 410 400 963
>> T: + 61 2 6125 4670
>> E: felix.andrews at anu.edu.au
>> CRICOS Provider No. 00120C
>> --
>> http://www.neurofractal.org/felix/
>
>



-- 
Felix Andrews / 安福立
Postdoctoral Fellow
Integrated Catchment Assessment and Management (iCAM) Centre
Fenner School of Environment and Society [Bldg 48a]
The Australian National University
Canberra ACT 0200 Australia
M: +61 410 400 963
T: + 61 2 6125 4670
E: felix.andrews at anu.edu.au
CRICOS Provider No. 00120C
-- 
http://www.neurofractal.org/felix/