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Thread: Graphing Software

  1. #1
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    Question Graphing Software

    Is there graphing software available that would allow me to graph the little empty circles (or some other recognizable symbolism) at points where the function is discontinuous? See the picture for what I mean.

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  2. #2
    Join Date
    Jan 2008
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    Re: Graphing Software

    Hi StarKid.

    You could do that in R. It's a very powerful statistical analysis software, with a particular strength in making graphs. I know people in the past to have made very powerful and complicated graphs using this software.

    It's a bit of a steep learning curve though! You can use the following three web pages to help get you started if you like though

    http://en.wikibooks.org/wiki/Statist...uction_using_R
    http://en.wikibooks.org/wiki/R_Programming
    http://scs.math.yorku.ca/index.php/R...started_with_R

    To install R, search synaptic (or the Ubuntu Software Centre actually) for r-base and install that. To run R, simply (!) open a terminal and type
    Code:
    R
    That took me ages to work out when I first started using R!

    Post back here (or start a new thread) if you need further help.

    Oh -- and since Googling for 'R' is a pain in the Rs, you might like to try using the r-seek website instead.

    Good luck!
    'I know lifes a bummer baby, But thats got precious little to do with me' - Monster Magnet

  3. #3
    Join Date
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    Re: Graphing Software

    If the OP would like to program R from a nice GUI, the open-source project RStudio from www.rstudio.org provides a deb binary package for Ubuntu, it works like a charm once you install R from Ubuntu repos.
    This should be a sticky, or a bug 'cos it ain't a feature

  4. #4
    Join Date
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    Re: Graphing Software

    I used to use Rcmdr, but Rstudio looks nice too!
    'I know lifes a bummer baby, But thats got precious little to do with me' - Monster Magnet

  5. #5

    Re: Graphing Software

    Quote Originally Posted by StarKid View Post
    Is there graphing software available that would allow me to graph the little empty circles (or some other recognizable symbolism) at points where the function is discontinuous? See the picture for what I mean.]
    Hi,

    I recommend you take a look at a new javascript library that has been evolving very rapidly, called "D3.js". It stands for "Data Driven Documents" and it allows you to build some pretty amazing graphical representations that render and run directly in your browser. So, if you know how to set up a web server and perform an http request for data, you can pull the data back into the browser and then manipulate it to any type of graphical representation you'd like. This makes it easy for you to share your visualizations with other people that need to see them (especially if you're doing this at work). Once you have the data, you can build any visualization you want, including your disjointed graph.

    Here are some examples...



    You can find tons more examples, like the graph your trying to build at D3js.org.

    I hope this helps and you find it useful because this library was VERY useful for me.

    My Best
    Last edited by Information Technology; October 12th, 2012 at 02:03 PM.

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