Data visualization is the study of the visual representation of data, meaning "information that has been abstracted in some schematic form, including attributes or variables for the units of information"
6
votes
1answer
229 views
How can I extend BinCounts to work on Times and Dates?
I want to extend BinCounts to work on a list of times or dates, binning them by Day, Week, Hour of the Month, Day of the Year, etc... So given a list of times and a time bin spec, I need to calculate ...
10
votes
0answers
220 views
How can I trace a functional expression's evaluation visually?
Ok, so the goal is to visualize the execution of this expression
foo /@ {3 + 1, bar /@ {1 + 2, {4 + 7}}}
in the following fashion using nested rectangles with ...
11
votes
3answers
315 views
Is it possible to position ticklabels on the negative y axis on its right side?
Is it possible to position ticklabels on negative $y$ axis on its right side? Ticklabels on positive $y$ axis should remain as usual:
6
votes
2answers
163 views
Truncate TreeForm to show only the top
For some expressions, TreeForm may grow very long. I'm only interested in the top levels of the expression. How can I get the tree form of only the first levels an ...
15
votes
6answers
1k views
Using ListPointPlot3D to simulate 2D plots moving in time
I wrote a 1D solver for the heat equation $u_t=u_{xx}$, and I can animate the solution using normal ListPlot command, where the x-axis is the rod length, and the ...
11
votes
0answers
302 views
Strategies for Interfacing to web visualization libraries like Stanford's Data-Driven Documents (D3)?
There is a growing library of visualization tools being developed (eg on GitHub) - for Stanford's Data-Driven Documents. The implementation languages and standards are the usual W3C suspects: JS, ...
10
votes
2answers
795 views
Plotting vectors originating from the origin in 3D
I have an array of data with 3D elements. Ex: x = {{1,2,3}, {3,4,5}, {5,6,7}}.
I want to show this data in 3 dimensions, such that each point in the space is shown ...
14
votes
1answer
275 views
Labelling ArrayPlot Charts
I have been using ArrayPlot to show off some information. Currently, my datasets are like so:
...
6
votes
2answers
361 views
How can I visualize features found in an image?
I am using Mathematica to explore the face detection feature of Core Image on Mac OS X Lion. To do this I have an Objective-C program which captures images from the iSight camera, runs face detection ...
9
votes
2answers
264 views
Visualizing several long lists of numerical information to see relative frequency
Mathematica has very powerful visualization techniques. However, I'm at a loss at how to best make the following chart readable.
...
