[R] Multiple stacked barplots on the same graph?

[Domenico Vistocco]

This command works:

qplot(x=Categorie,y=Total,data=mydata,geom="bar",fill=Part)

for your data.

domenico vistocco

Stéphane CRUVEILLER wrote:
> Hi,
>
> the same error message is displayed with geom="bar" as parameter.
> here is the output of dput:
>
> > dput(mydata)
> structure(list(Categorie = structure(c(1L, 12L, 8L, 2L, 5L, 7L,
> 16L, 6L, 15L, 11L, 10L, 13L, 14L, 3L, 4L, 9L, 17L, 1L, 12L, 8L,
> 2L, 5L, 7L, 16L, 6L, 15L, 11L, 10L, 13L, 14L, 3L, 4L, 9L, 17L
> ), .Label = c("Amino acid biosynthesis", "Biosynthesis of cofactors, 
> prosthetic groups, and carriers",
> "Cell envelope", "Cellular processes", "Central intermediary metabolism",
> "DNA metabolism", "Energy metabolism", "Fatty acid and phospholipid 
> metabolism",
> "Mobile and extrachromosomal element functions", "Protein fate",
> "Protein synthesis", "Purines, pyrimidines, nucleosides, and 
> nucleotides",
> "Regulatory functions", "Signal transduction", "Transcription",
> "Transport and binding proteins", "Unknown function"), class = "factor"),
>    Part = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
>    1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L,
>    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("common",
>    "specific"), class = "factor"), Total = c(3.03, 1.65, 1.52,
>    2.85, 3.4, 11.81, 10.51, 1.95, 2.08, 2.51, 2.23, 7.63, 1.88,
>    2.76, 7.21, 1.08, 20.75, 0.35, 0.17, 0.08, 0.18, 0.42, 2.05,
>    1.98, 0.63, 0.17, 0.2, 0.3, 1.58, 0.27, 0.83, 1.38, 3.56,
>    11.63), chr1 = c(4.55, 2.37, 1.77, 4.68, 3.19, 12.49, 13.56,
>    2.81, 3.13, 4.58, 3.26, 7.3, 2.06, 3.41, 7.9, 0.22, 22.45,
>    0.16, 0.06, 0.09, 0.19, 0.09, 0.7, 0.85, 0.22, 0.06, 0.03,
>    0.32, 0.66, 0.06, 0.63, 0.38, 1.14, 6.17), chr2 = c(1.68,
>    1.06, 1.55, 1.02, 4.57, 13.87, 7.85, 0.98, 1.06, 0.27, 1.2,
>    9.88, 2.13, 2.53, 7.71, 0.4, 22.38, 0.71, 0.35, 0.09, 0.22,
>    0.98, 3.9, 3.24, 0.22, 0.22, 0.49, 0.31, 2.79, 0.62, 1.33,
>    1.95, 0.44, 16), pl = c(0, 0, 0, 0, 0, 0.17, 4.27, 1.03,
>    0.34, 0, 0.68, 0.68, 0, 0.17, 1.54, 8.38, 5.3, 0, 0, 0, 0,
>    0, 2.22, 3.25, 4.44, 0.51, 0, 0.17, 1.88, 0, 0, 4.62, 28.72,
>    24.27)), .Names = c("Categorie", "Part", "Total", "chr1",
> "chr2", "pl"), class = "data.frame", row.names = c(NA, -34L))
>
>
> thx,
>
> Stéphane.
>
> hadley wickham wrote:
>> On Dec 4, 2007 10:34 AM, Stéphane CRUVEILLER 
>> <scruveil at genoscope.cns.fr> wrote:
>>  
>>> Hi,
>>>
>>> I tried this method but it seems that there is something wrong with my
>>> data frame:
>>>
>>>
>>> when I type in:
>>>
>>>  > qplot(x=as.factor(Categorie),y=Total,data=mydata)
>>>
>>> It displays a graph with 2 points in each category...
>>> but if  I add the parameter geom="histogram"
>>>
>>>  > qplot(x=as.factor(Categorie),y=Total,data=mydata,geom="histogram")
>>>
>>>
>>> Error in storage.mode(test) <- "logical" :
>>>         object "y" not found
>>>
>>> any hint about this...
>>>     
>>
>> Could you copy and paste the output of dput(mydata) ?
>>
>> (And I'd probably write the plot call as: qplot(Categorie, Total,
>> data=mydata, geom="bar"), since it is a bar plot, not a histogram)
>>
>>   
>