R help - Jun 2013 - generating a bar chart with two axis for co-linear variable

Hello Dimitris,



I was goggling for some help on Sensitivity vs 1-specificity and saw your link.



I hope you can be of help to me in one of the issue that I am facing in
generating combo chart(bar chart and plot). I am a novice and have some
difficulty in getting this logic correct.





I am give a dataset (I am attaching a sample dataset).



I am using a barplot() and passing values for percentage frequency and the
corresponding variables. I am struck here, what my function does is only
calculate the frequency for the listed variables and not the frequency
percentage. Is there a method or a script with which I can pass the frequency
percent and the related values as category columns for x axis?



I will attach the graphs that I have generated so that you can suggest the
better way.



Sampledata - Sampledata.txt

What my function does to calculate the frequency with category names in X axis -
1.png

My requirement is to generate percentage frequency of the variable in y1 and not
the frequency itself. 2.png (where x categories are missing)





Thanks,

Sudha Krishnan


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I think we really need to see the code.

John Kane
Kingston ON Canada

> -----Original Message-----
> From: sudha.krishnan at marlabs.com
> Sent: Thu, 6 Jun 2013 06:37:41 +0000
> To: r-help at r-project.org
> Subject: [R] generating a bar chart with two axis for co-linear variable
> 
> 
> 
> Hello Dimitris,
> 
> 
> 
> I was goggling for some help on Sensitivity vs 1-specificity and saw your
> link.
> 
> 
> 
> I hope you can be of help to me in one of the issue that I am facing in
> generating combo chart(bar chart and plot). I am a novice and have some
> difficulty in getting this logic correct.
> 
> 
> 
> 
> 
> I am give a dataset (I am attaching a sample dataset).
> 
> 
> 
> I am using a barplot() and passing values for percentage frequency and
> the corresponding variables. I am struck here, what my function does is
> only calculate the frequency for the listed variables and not the
> frequency percentage. Is there a method or a script with which I can pass
> the frequency percent and the related values as category columns for x
> axis?
> 
> 
> 
> I will attach the graphs that I have generated so that you can suggest
> the better way.
> 
> 
> 
> Sampledata - Sampledata.txt
> 
> What my function does to calculate the frequency with category names in X
> axis - 1.png
> 
> My requirement is to generate percentage frequency of the variable in y1
> and not the frequency itself. 2.png (where x categories are missing)
> 
> 
> 
> 
> 
> Thanks,
> 
> Sudha Krishnan
> 
> 
> ______________________________________________
> 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.
____________________________________________________________
FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop!

HI,

May be this helps:
dat1<-
read.table("sampledata.txt",header=TRUE,sep=",",stringsAsFactors=FALSE)
pdf("Barplots.pdf")
?lst1<-lapply(seq_len(ncol(dat1)),function(i) {Ctdat<-
table(dat1[,i]);Ctdat1<-(Ctdat/sum(Ctdat))*100;barplot(Ctdat1,ylim=c(0,100),xlab=colnames(dat1)[i],ylab="Relative
Frequency",main=paste("Barplot:",colnames(dat1)[i],sep="
"))})
dev.off()
A.K.




----- Original Message -----
From: Sudha Krishnan <Sudha.Krishnan at marlabs.com>
To: "r-help at r-project.org" <r-help at r-project.org>
Cc: 
Sent: Thursday, June 6, 2013 2:37 AM
Subject: [R]  generating a bar chart with two axis for co-linear variable



Hello Dimitris,



I was goggling for some help on Sensitivity vs 1-specificity and saw your link.



I hope you can be of help to me in one of the issue that I am facing in
generating combo chart(bar chart and plot). I am a novice and have some
difficulty in getting this logic correct.





I am give a dataset (I am attaching a sample dataset).



I am using a barplot() and passing values for percentage frequency and the
corresponding variables. I am struck here, what my function does is only
calculate the frequency for the listed variables and not the frequency
percentage. Is there a method or a script with which I can pass the frequency
percent and the related values as category columns for x axis?



I will attach the graphs that I have generated so that you can suggest the
better way.



Sampledata - Sampledata.txt

What my function does to calculate the frequency with category names in X axis -
1.png

My requirement is to generate percentage frequency of the variable in y1 and not
the frequency itself. 2.png (where x categories are missing)





Thanks,

Sudha Krishnan



______________________________________________
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.