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kannan at iitb.ac.in

2013-Oct-20 00:54 UTC

[R] Want to create a histogram

Dear All,

For a report that I am writing, I need to create a histogram plot with
x-axis fixed as very bad, bad, fair, good and very good - i.e. the order
not changed.  Can someone give me an example?  For sample purposes, I am
giving the following data: 159, 374, 3765, 11388, 6708.  Thanks,

Kannan

Jim Lemon

2013-Oct-20 03:29 UTC

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[R] Want to create a histogram

On 10/20/2013 11:54 AM, kannan at iitb.ac.in wrote:> Dear All,
>
> For a report that I am writing, I need to create a histogram plot with
> x-axis fixed as very bad, bad, fair, good and very good - i.e. the order
> not changed.  Can someone give me an example?  For sample purposes, I am
> giving the following data: 159, 374, 3765, 11388, 6708.  Thanks,
>Hi Kannan,
You can get something that looks like what you want with these totals. 
Try this:

barplot(c(159,374,3765,11388,6708),
  names.arg=c("very
bad","bad","fair","good","very
good"))

Histograms are usually created from the raw data.

Jim

John Kane

2013-Oct-20 11:35 UTC

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[R] Want to create a histogram

I  don't think you do. I think that you are confusing a histogram and a bar
chart.  With only five data points and five categories you have data for a
barplot.

I see Jim has provided one approach 

Another, using the ggplot2 package (which you will probably have to install is :


# to install ggplot2 package
install.packages("ggplot2")

library(ggplot2)
dat1  <- data.frame(  aa  =  c("very bad", "bad",
"fair", "good", "very good"),
bb = c(159, 374, 3765, 11388, 6708))

ggplot(dat1, aes(aa, bb)) + geom_bar(stat="identity")






John Kane
Kingston ON Canada

> -----Original Message-----
> From: kannan at iitb.ac.in
> Sent: Sun, 20 Oct 2013 00:54:39 +0000
> To: r-help at r-project.org
> Subject: [R] Want to create a histogram
> 
> Dear All,
> 
> For a report that I am writing, I need to create a histogram plot with
> x-axis fixed as very bad, bad, fair, good and very good - i.e. the order
> not changed.  Can someone give me an example?  For sample purposes, I am
> giving the following data: 159, 374, 3765, 11388, 6708.  Thanks,
> 
> Kannan
> 
> ______________________________________________
> 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.
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R help - Oct 2013 - Want to create a histogram

[R] Want to create a histogram

[R] Want to create a histogram

[R] Want to create a histogram