On Fri, Nov 27, 2009 at 9:21 AM, Peng Cai <pengcaimaill...@gmail.com> wrote:
> @ Peter: I got it, thanks a lot for all your help! And yes, as you said the
> "title" option in auto.key is redundant.
>
>
> @ All, Hi: I need to add percentage sign to y-axis labels (like 0%, 20%,
> ..., 100%). How can I get it. I'm using barchart() function as given below
> along with the data set.
Read ?barchart, specifically the entry for 'scales'. Hint: figure out
what the line
scales = list(y = list(at = myYscale)),
does.
-Deepayan
>
> Data:
> Sample Col1 Col2 Col3
> Row1 -20 40 -10
> Row2 30 -20 40
> Row3 30 10 -20
> Row4 20 20 -10
>
> R code:
>
> library(lattice)
> dta<-read.table("data.txt", header=TRUE, row.names="Sample")
> myYscale <- seq(-140,140,20)
> barchart(data.matrix(dta),
> horizontal=FALSE,
> stack=TRUE,
> par.settings = simpleTheme(col = c(2:4)),
> auto.key=list(space = 'right', rows = 3, rectangles = TRUE,
> points = FALSE ),
> scales = list(y = list(at = myYscale)),
> panel=function(x,y,...){
> panel.abline(h=c(myYscale), col.line="gray")
> panel.barchart(x,y,...)}
> )
>
> Any help would be greatly appreciated,
> Peng
>
> On Thu, Nov 26, 2009 at 10:38 PM, P Ehlers <ehl...@ucalgary.ca> wrote:
>
>> As I wrote earlier:
>>
>>
>> "I had to add the rectangles= and points= arguments to
>>
>> auto.key to get the same key as you had earlier."
>>
>> and the relevant line in the code was:
>>
>>
>> auto.key = list(space = 'right', rectangles=TRUE, points=FALSE)
>>
>> -Peter Ehlers
>>
>> Peng Cai wrote:
>>
>>> Hello Peter and David,
>>>
>>> Thanks for your help. I have added what you suggested and its working
>>> perfectly fine except:
>>>
>>> When I add the panel function, the legend changes. In the sense without
>>> the
>>> panel function the column names are shown with small colored rectangles
>>> (on
>>> right), but after adding it the rectangles change to tiny un-filled
>>> diamonds. Any suggestions?
>>>
>>> My current code and data is below,
>>>
>>> Thanks a lot,
>>> Peng
>>>
>>>
>>> Data:
>>>
>>>
>>>> Sample Col1 Col2 Col3
>>>> Row1 -2 4 -1
>>>> Row2 3 -2 4
>>>> Row3 3 5 -2
>>>> Row4 4 1 -1
>>>>
>>>> Code:
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>> dta<-read.table("data.txt", header=TRUE, row.names="Sample")
>>>> coltemp=c(619,376,497)
>>>> myYscale <- seq(-10, 10, 1)
>>>> barchart(data.matrix(dta),
>>>> horizontal=FALSE,
>>>> stack=TRUE,
>>>> par.settings = simpleTheme(col = colors()[coltemp]),
>>>> auto.key=list(space="right"),
>>>> border=NA,
>>>> panel=function(x,y,...){
>>>> panel.abline(h=c(myYscale), col.line="gray")
>>>> panel.barchart(x,y,...)
>>>> },
>>>> scales = list(y = list(at = myYscale))
>>>> )
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Thanks,
>>>
>>>
>>>> Peng
>>>>
>>>>
>>>> On Thu, Nov 26, 2009 at 7:23 PM, Peng Cai <pengcaimaill...@gmail.com
>>>> >wrote:
>>>>
>>>>
>>>>
>>>>> Hi Again,
>>>>>
>>>>> Before I start getting into what you just suggested, let me confirm if I
>>>>> made my point clear previously. I'm looking for horizontal lines similar
>>>>> to
>>>>> one on the following link (It has parallel lines for each y=200,
>>>>> y=400,...):
>>>>>
>>>>> http://pfiles.5min.com/images/176735/176734313.jpg
>>>>>
>>>>> What you just suggested can solve this purpose? Thanks,
>>>>>
>>>>> Peng
>>>>>
>>>>>
>>>>> On Thu, Nov 26, 2009 at 7:09 PM, Peter Ehlers <ehl...@ucalgary.ca>
>>>>> wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Peng Cai wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Thanks David, I tried panel.abline(h=somevalue) -- both inside and
>>>>>>> outside
>>>>>>> of barchart() function but its not working. Any suggestions?
>>>>>>>
>>>>>>> Peng
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> Here's some code related to the data you posted earlier.
>>>>>>
>>>>>>
>>>>>> barchart(data.matrix(dta), horizontal = FALSE, stack = TRUE,
>>>>>> par.settings = simpleTheme(col = 2:4),
>>>>>> panel=function(x,y,...){
>>>>>> panel.abline(h=c(-2,0,3,4), col.line="gray")
>>>>>> panel.barchart(x,y,...)
>>>>>>
>>>>>> },
>>>>>> scales = list(y = list(at = -2:8)),
>>>>>> auto.key = list(space = 'right', rectangles=TRUE,
>>>>>> points=FALSE)
>>>>>> )
>>>>>>
>>>>>> If you want the gray lines in front of the bars, switch the
>>>>>> order of the panel functions. With lattice, it's all about
>>>>>> what goes into each panel (you have only one panel here).
>>>>>> If you want more than one thing in a panel, you have to set
>>>>>> up a function to do those things.
>>>>>>
>>>>>> I had to add the rectangles= and points= arguments to
>>>>>> auto.key to get the same key as you had earlier.
>>>>>>
>>>>>> -Peter Ehlers
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> On Thu, Nov 26, 2009 at 6:42 PM, David Winsemius <
>>>>>>> dwinsem...@comcast.net>wrote:
>>>>>>>
>>>>>>> On Nov 26, 2009, at 6:12 PM, Peng Cai wrote:
>>>>>>>
>>>>>>>
>>>>>>>> Thanks a lot Peter! One more help, is there a similar function
>>>>>>>> abline()
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>> for
>>>>>>>>> barchart().
>>>>>>>>>
>>>>>>>>> ?panel.abline
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> I'm trying to add a (light gray colored) horizontal lines, one for
>>>>>>>>
>>>>>>>>
>>>>>>>>> each
>>>>>>>>> y-value.
>>>>>>>>>
>>>>>>>>> Peng
>>>>>>>>>
>>>>>>>>> On Thu, Nov 26, 2009 at 5:59 PM, Peter Ehlers <ehl...@ucalgary.ca>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> Peng Cai wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Hi Peter,
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> I'm not sure but it seems "scales" command works only with integer
>>>>>>>>>>> values.
>>>>>>>>>>>
>>>>>>>>>>> If the y-axis values are very small (such as -0.03, -0.02, -0.01,
>>>>>>>>>>> 0,
>>>>>>>>>>> 0.01,..., 0.08). My current plot has values 0, 0.05, and 0.10
>>>>>>>>>>> only.
>>>>>>>>>>> But
>>>>>>>>>>> I
>>>>>>>>>>> need it to extend it to negative numbers and reduce the scale
>>>>>>>>>>> width
>>>>>>>>>>> (like
>>>>>>>>>>> -0.04, -0.02, 0, 0.02,...).
>>>>>>>>>>>
>>>>>>>>>>> Can I change these too? Thanks!
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Use, e.g.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>> myYscale <- seq(-0.04, 0.08, 0.02)
>>>>>>>>>> barchart(...,
>>>>>>>>>> ...,
>>>>>>>>>> scales = list(y = list(at = myYscale)),
>>>>>>>>>> ...
>>>>>>>>>> )
>>>>>>>>>>
>>>>>>>>>> -Peter Ehlers
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Peng
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> On Thu, Nov 26, 2009 at 3:18 PM, Peter Ehlers <ehl...@ucalgary.ca
>>>>>>>>>>> >
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Peng Cai wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>> Hi R Users,
>>>>>>>>>>>>
>>>>>>>>>>>> I'm trying to plot a stacked barplot. Here is data:
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>> Sample Col1 Col2 Col3
>>>>>>>>>>>>> Row1 -2 4 -1
>>>>>>>>>>>>> Row2 3 -2 4
>>>>>>>>>>>>> Row3 3 5 -2
>>>>>>>>>>>>> Row4 4 1 -1
>>>>>>>>>>>>>
>>>>>>>>>>>>> I'm using following R code:
>>>>>>>>>>>>>
>>>>>>>>>>>>> library(lattice)
>>>>>>>>>>>>> dta<-read.table("data.txt", header=TRUE, row.names="Sample")
>>>>>>>>>>>>> barchart(data.matrix(dta),
>>>>>>>>>>>>> horizontal=FALSE,
>>>>>>>>>>>>> stack=TRUE,
>>>>>>>>>>>>> col=2:4,
>>>>>>>>>>>>> auto.key=list(space="right",
>>>>>>>>>>>>> title=names(dimnames(dta))[2])
>>>>>>>>>>>>> )
>>>>>>>>>>>>>
>>>>>>>>>>>>> Above code is working fine, but I need help with:
>>>>>>>>>>>>>
>>>>>>>>>>>>> 1) Legend boxes have default colors, whereas I'm looking them to
>>>>>>>>>>>>> match
>>>>>>>>>>>>> with
>>>>>>>>>>>>> barplot colors (col=2:4).
>>>>>>>>>>>>>
>>>>>>>>>>>>> replace the line
>>>>>>>>>>>>>
>>>>>>>>>>>>> col = 2:4,
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>> with
>>>>>>>>>>>>
>>>>>>>>>>>> par.settings = simpleTheme(col = 2:4),
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> 2) Can I increase scale for y axis, like currently it plotting
>>>>>>>>>>>>
>>>>>>>>>>>> -2,0,2,4,...
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>> I would like it as -2,-1,0,1,...
>>>>>>>>>>>>>
>>>>>>>>>>>>> add the line
>>>>>>>>>>>>>
>>>>>>>>>>>>> scales = list(y = list(at = -2:8)),
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>> or whatever tick locations you prefer.
>>>>>>>>>>>>
>>>>>>>>>>>> -Peter Ehlers
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Any help would be greatly appreciated,
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>> Peng
>>>>>>>>>>>>>
>>>>>>>>>>>>> [[alternative HTML version deleted]]
>>>>>>>>>>>>>
>>>>>>>>>>>>> ______________________________________________
>>>>>>>>>>>>> R-help@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.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ______________________________________________
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>> R-help@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.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> [[alternative HTML version deleted]]
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> ______________________________________________
>>>>>>>>> R-help@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.
>>>>>>>>>
>>>>>>>>> David Winsemius, MD
>>>>>>>>>
>>>>>>>>>
>>>>>>>> Heritage Laboratories
>>>>>>>> West Hartford, CT
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>
>>>
>>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@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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