Hi Brindha
Does this answer your question:
http://onertipaday.blogspot.com/2007/05/make-many-barplot-into-one-plot.html
?

Cheers,
Tal



On Wed, Jul 29, 2009 at 8:48 PM, Brindha Selvaraj <brindharh...@gmail.com>wrote:

> Hi,
>
> Many apologies for sending this twice.  I accidentally hit the send button
> before I finished writing my mail. I am new to R and  I hope someone can
> help me with my problem. I am trying to draw a side by side barplot.
>
> There is a main experiment and there are many sub experiments within the
> main experiment. I would like to draw a bar plot showing the number and
> type
> of sub_experiments done for each main_exp.  For instance if the Main_Exp is
> 6, I would like to group the sub exp's for the main_exp and show that there
> were two sub_exp's done an ELISA and a FCM and that the ELISA was done once
> and the FCM was done twice.  Similarly for Main_Exp 7 I would like to show
> that for there were ELISA,FCM,qPCR,Telometry done and that they had a count
> of 3,3,2,5 respectively. This is what my dataset looks like:
>
> Main_Exp_Name     Sub_Exp_Name  Sub_Exp_Count
> 1                            ELISA                 2
> 6                            ELISA                 1
> 6                             FCM                   2
> 7                             ELISA                 3
> 7                             FCM                   3
> 7                             Telometry            2
> 7                             qPCR                  5
>
> The code that I have is
>
> table(comparisons_new)
> barplot(as.matrix(comparisons_new$Sub_Exp_Count),xlab="Main_Exp_Name",
>
> ylab="Sub_Exp_Count",ylim=c(0,10),names.arg=(comparisons_new$Main_Exp_Name),beside=TRUE,legend=rownames(comparisons_new$Sub_Exp_Name),col=rainbow(5))
>
> With this code, I am able to draw the barplot, but am having issues:
>
> I am not able to group them together.  That is for each Main_Exp I am not
> able to group the Sub_Exp's under it. It all shows up as one continuous
> barplot without any spaces in between the Main_Exp's.
>
> Also, I would like to be able to use the same colour for a particular
> sub_Exp_Name no matter in which ever Main_Exp it may show up.  But, this is
> not working for me.
>
> Please help,
>
> Brinda
>
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>
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> 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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My contact information:
Tal Galili
Phone number: 972-50-3373767
FaceBook: Tal Galili
My Blogs:
http://www.r-statistics.com/
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http://www.biostatistics.co.il

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