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What would you recommend to create a graph using Java language . Should it be self coded or which library set do you suggest for it to be implemented ?
If you're looking for graphs as in data plots or pie charts or something like that, check out charts4j or the Google chart API.
If you're meaning something like graph theory, check out JGraphT.
No need to reinvent the wheel.
Some other interesting options, and as already mentioned no need to reinvent the wheel :)
http://jung.sourceforge.net/
http://zvtm.sourceforge.net/zgrviewer.html
gFloat also has a nice GWT implementation and is free
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I have a service written in python.
This service uses DataFrame from pandas.
The thing is that it (the service) should be translated to Java.
For that I need a similar library in Java. (or is there other way to achieve this?)
I would like to know what are some options for this.
Till now I have joinery library
Besides joinery you could also take a look at tablesaw library. Here is link to a brief tutorial: https://jtablesaw.github.io/tablesaw/gettingstarted
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I am working on a program which gathers data and stores it in a file. I need to be able to write a program which reads from the created file and plots a scatter/bar/pie graph from it. Does anyone know any Graphing Libraries which I can use to do this? I've seen suggestions for libraries which can graph nodes, vertices etc. but none for common graphs. Help would be appreciated. Thanks
For charts you can use JFreeChart. It is an open sorce java library with a good API.
If you want to draw graphs (trees for example) you can use JGraphX which is also an open source library.
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I want to develop a small application in JAVA, for personal use, that solves the derivatives and integrals. Can you tell me some good library to do this, and some example?
Thanks
Commons Math contains the ability to integrate using different methods - see here, section 4.5. The example here shows you how to use the TrapezoidIntegrator, the others work pretty much in the same way.
SO post
Library reference hosted on google code.You can also use JLink with Mathematica to send your calculations part to mathematica and get appropriate results back.
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I'm looking for a Java library to create block diagrams, which might look as in the picture:
So far I couldn't find a satisfying solution. I would be thankful for any suggestions.
Have you tried jGraph yet? It's open source under the BSD license.
There's a Java API for GraphViz. GraphViz is capable of much more than just those block diagrams though, so there might be a learning curve.
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what is the best Java library for manipulating graphs (specifically, for social network analysis)? I've seen Jung, but I was wondering if you knew anything better (I don't need to visualize networks, only computation).
Thank you
I've found jgrapht pretty useful - it has all the major algorithms (e.g. Bellman-Ford, ...)
neo4j is the choice
And here is a video
If you are aiming for high efficiency
http://grph.inria.fr/