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Is there any javascript or python library for directly visualize incidence matrix which draw arrows and nodes? Like this.
For python, you can use networkx. The link is a gallery of graph visualizations, with associated source code.
For javascript, you can take a look at D3 Data-Driven Documents, another gallery of visualizations, some of which might be close to what you want.
Just as mtadd suggested Newtorkx has a very complete library to perform network analysis and basic visualization. The igraph library is another possibility. For better visualization I would consider using Gephi (java based) which is pretty intuitive and easy to manipulate.
Here is a link for a tutorial to use networkx and a link for a tutorial on gephi.
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I'm getting a stream of data via a chrome app and want a basic API to plot it. Literally the simplest thing for a beginner is ideal (new to javascript). Looking for basic help picking the right tools before I invest too much time into learning them.
I've recently discovered d3.js and simplify.js.
check out http://www.flotcharts.org/
I used it when I was a beginner with javascript, and it is pretty easy to start off with. You can take it way too many steps further, but end of the day all you need is simple arrays with x and y values
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Is there any charting library which provides an odometer like in this image?
I've gone through Highcharts but there sint like this. Where can I find an odometer like provided which shows digit values only, not a gauge or something.
I want something like this. Since this is hardcoded, I want a library which will do this for me.
I used an SVG library before named RaphaelJS to generate cool charts.
You may want to look and adapt the Google Chart's Gauge.
RGraph has an odometer plot
As for charting libraries and their general features see this Comparison of JavaScript charting frameworks
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I have seen this Good javascript library for drawing charts using json, which lists charting libraries. I thought to go for FLOT but I didnot see that it is supporting drill down bars.
Can any one suggest me whether FLOT supports them or any other library I can use? I am mainly looking for drill down bars and pie charts with support of javascript and jquery and can pull the chart data for these graphs.
There is Highcharts and JFreeChart, will that work? JFreeChart does not support drill down, though.
d3.js. See the gallery:
https://github.com/mbostock/d3/wiki/Gallery
Drill down demos or examples:
http://mbostock.github.com/d3/talk/20111116/bar-hierarchy.html
http://mbostock.github.com/d3/talk/20111018/treemap.html
http://mbostock.github.com/d3/talk/20111018/partition.html
http://bost.ocks.org/mike/miserables/
http://www.jasondavies.com/coffee-wheel/
http://thepowerrank.com/visual/NCAA_Tournament_Predictions
http://square.github.com/crossfilter/
http://windhistory.com/map.html#4.00/36.00/-95.00 / http://windhistory.com/station.html?KMKT
http://trends.truliablog.com/vis/tru247/
http://trends.truliablog.com/vis/metro-movers/
http://marcinignac.com/projects/open-budget/viz/index.html
http://bl.ocks.org/3630001
http://bl.ocks.org/1346395
http://bl.ocks.org/1314483
http://slodge.com/teach/
http://tympanus.net/Tutorials/MultipleAreaChartsD3/
http://bl.ocks.org/3287802
There are several tutorials. Here are two:
http://www.12devsofxmas.co.uk/2012/01/data-visualisation/
http://nickqizhu.github.com/dc.js/
And there are fiddle-like d3 editors:
http://www.d3-generator.com/
So to me, d3.js certainly seems like the best choice.
Go for http://kiersimmons.com/DDChart/index.html, it is a jquery plugin for drill down chart.
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I have a table with many entities being predicted to other types of entities with a given confidence score.
Ex:
Entity1 -> type1; score:3.0
Entity2 -> type4; score:1.0
Entity1 -> type3; score:5.0
Entity3 -> type3; score:2.0
Entity1 -> type1; score:3.0
I need to visualize this data. Preferably in a matrix diagram or a mapping diagram. The confidence score is the most important feature. It should determine the positions on the chart. I have been looking at HighCharts and some other javascript visualization libraries, but haven't come across a chart that is very useful. Any suggestions would be appreciated.
You could take a look at d3? This is a great, very flexible, visualization framework. It may be a bit more low-level than the other alternatives you're looking at, but it does include a number of (almost) ready-to-go "layouts", which are mostly different graph types.
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I have a Markov chain that I would like to represent graphically in javascript. I need to represent the nodes, links, and transition probabilities. Perhaps something like one of these two diagrams:
Finding a good image library (like Raphael) is not the problem. The problem, for me, is finding a way to make sure the nodes are laid out nicely, with a minimal amount of lines crossing in front of other nodes or lines. Something like the "Lay out diagram" option in OmniGraffle (I'm sure there's a similar feature in Visio).
Is there a JS library that can do this for me, and if not does anyone have any idea how to approach a problem like this? Note that my markov chains are likely to be a lot more complex then the examples above.
You might make out okay with one of the directed graph libraries like D3 or one of the directed graph layers on Raphael.
I'm using mxGraph for this currently. It's not free, but it's a case of you get what you pay for.
Viz.js can be used for this, it is a Javascript port of Graphviz.