Hi David,

Thanks for your answer.

However I was thinking if it would be possible to have the Vertical-scroll
bar, so that user can scroll his screen while still having all the bars on
the plot clearly.

Is there any possibility?

Thanks and regards,


On Tue, Aug 6, 2013 at 2:38 AM, David Carlson <dcarlson@tamu.edu> wrote:

> It doesn't seem "messed up." You can't expect to plot two thousand
> bars on a graph and really see anything. On my monitor, there are
> only about 680 vertical pixels on the plot window, you are trying to
> plot 3 bars for each row of dots on the monitor!
>
> Try this (just the first twenty lines of your data):
>
> barplot(My_DF$Values[1:20], main="Bar Plot", horiz=TRUE,
>     names.arg=My_DF$Names[1:20], cex.names=.75, las=1)
>
> Now imagine what happens when you try to squeeze 100 bars inside
> each of those bars. Impossible and a waste of ink. You surely want
> some other way to present the data.
>
> -------------------------------------
> David L Carlson
> Associate Professor of Anthropology
> Texas A&M University
> College Station, TX 77840-4352
>
> -----Original Message-----
> From: r-help-bounces@r-project.org
> [mailto:r-help-bounces@r-project.org] On Behalf Of Christofer Bogaso
> Sent: Monday, August 5, 2013 3:11 PM
> To: r-help
> Subject: [R] Horizontal bar plot for lengthy data
>
> Hello again,
>
> Please consider my data-frame:
>
> My_DF <- data.frame(Names = as.character(1:2000), Values = 1:2000)
>
> Now I want to create a Horizontal bar plot for this data:
>
> barplot(My_DF$Values, main="Bar Plot", horiz=TRUE,
> names.arg=My_DF$Names)
>
> You see the entire plot is messed-up. As I have to work with such
> lengthy
> data, is there any possibility with R on how I can plot the entire
> data-set
> clearly?
>
> Thanks and regards,
>
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>
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>

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