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"

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72 views

How to render a 3d image of the galaxy? [on hold]

I recently came across the Uniview software package, there has even been a TED talk about it. Here is another example of some interactive views of star maps. In Mathematica 10 AstronomicalData has ...
2
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0answers
41 views

How do you plot polygons with GeoRegionValuePlot?

How do you plot polygons in GeoRegionValuePlots? I'd like to reproduce what the call (2) (below) does with something like the call to (4). As you can see using GeoDisk(s) (3) works but the call (4) ...
6
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3answers
78 views

Controlling the size of Histogram in PlotLegends -> Histogram

I stumbled across this in the Mathematica documentation and thought it was pretty nifty except that the Histogram that appears as the plot legend is too small so the numbers on the histogram overwrite ...
3
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2answers
57 views

Can GeoLabels be controlled?

I am making maps of stuff like population density and would like to add labels but GeoLabels makes it awfully busy. Here is an example. I would like to be able to control what gets written, the color, ...
5
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1answer
173 views

VectorPlot3D - vectors starting at points

Normally the vectors in VectorPlot3D ar attached the middle. How to get them attached at the beginning (what is typical conventions in most textbooks) by use of VectorPlot3D ?
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2answers
394 views

How to connect discrete points and make them become continuous curve?

Given that I have two variables $\theta,t$, for the varible $t$, $\theta$ always owns several values. Namely, $$\{t,\theta_1,\theta_2,\theta_3,\theta_4...\}$$ where $t$ in the interval$[0,1]$ and ...
2
votes
1answer
140 views

Dynamic process on graph

I have a question, which I failed to find an answer to myself. I'm a casual user of Mathematica, but do have some knowledge about Dynamic module and other "Advanced" features. My problem is ...
10
votes
1answer
267 views

representation of custom deformation on a meshgrid

I am trying to represent 2D deformations on a rectangular grid. In Mathematica 10, there is a method to solve the elastic differential equations and then represent the deformation as presented here: ...
12
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4answers
452 views

How to remove ticks?

I wanted to remove the Ticks in my coding but i can't. Here when i try to remove the Ticks the number also gone. I need numbers ...
1
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1answer
73 views

Exact difference between color scaling in ArrayPlot and MatrixPlot

Can someone enlighten me as to how MatrixPlot does its color scaling? I get very different visualizations based on whether I use ...
6
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2answers
494 views

Adjusting Density Plot Color Function for Diffraction Simulation

I'm trying to simulate Fraunhofer diffraction by a single slit using DensityPlot I run the code: ...
0
votes
1answer
49 views

Using ListVectorPlot[ ] and eliminating vectors at points where there shouldn't be any

I am trying to make a plot displaying the following type of information. I have a finite set of 2D-coordinates. For each coordinate point, I have a 2D vector associated to that point. The vector is ...
1
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1answer
53 views

Twisting a graph layout (by fixing the $x$ coordinate of all its vertices)

I would like to draw a given graph $G$ in a specific way and I would like to know whether Mathematica can do it in a (semi-)automated way. My goal is to draw the graph $G$ in 2D, fixing all the $x$ ...
1
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1answer
93 views

Plotting multiple curves on a surface

I'm reading about non-euclidean geometry, and I tried to visualize hyperboloid model of hyperbolic geometry using Mathematica. What I need to do is to accent intersections between hyperboloid $x^2 + ...
18
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2answers
305 views

Wind Map Artwork

I would like some help generating an image like the one seen below. The image above is an art piece called Wind Map by artists Fernanda Viégas and Martin Wattenberg. I would like to take wind ...
18
votes
1answer
295 views

Visual representation of a Ranking over time (image provided)

[Disclaimer: I initially posted this question on stackOverflow 2 months ago and think it might be better suited for this forum (link to original question)] The graph below shows a ranking of ...
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0answers
48 views

Gibbons-Hawking metric and Mathematica [closed]

I have been studying the Gibbons-Hawking metric for a while now, and I was asked to visualize it with the program Mathematica. I am terrible at programming and also don't really understand what has to ...
10
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3answers
439 views

Visualizing directories

How do I plot the content of a directory and all its subdirectories into infinity using TreeForm? I've tried using a mix of ...
6
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1answer
127 views

Does anyone know a way to draw lines connecting nearest neighbor points in ListPlot[ ]?

I have a two-dimensional mesh that I am visualizing in Mathematica, with ListPlot[]. The mesh looks like this: Any ideas for how to connect all the nearest neighboring points with lines? Thanks, ...
5
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2answers
113 views

Visualizing subgraphs while specifying the locations of vertexes

I would like to visualize separate connected components of a graph defined by data points lying in the two-dimensional plane by surrounding each connected component subgraph by a bounding curve. I ...
2
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2answers
79 views

Forcing Ticks on Lower Left Corner of Plot

I have a graph that looks like this: I need to have it labeled so that 14 appears in the lower left (I know it's obvious but that's what the publication I'm working with wants). That makes the ...
12
votes
1answer
367 views

How can I collect data for visualization of quick sort?

I know how to implement quick sort in Mathematica. But I don't know how to get the temp data for visualization, because I used recursion. I want the effect similar to this: ...
0
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0answers
45 views

Comparing heavy tailed and non-heavy tailed distribution using Mathematica

I have data from a heavy tailed distribution (see picture 1) and a non-heavy tailed distribution (see picture 2) and want to compare it using a histogram on log-scale. However the picture 3 does not ...
5
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2answers
242 views

Mapping StreamPlot onto spherical surfaces

Suppose I have some vector field equations $(f(\theta,\phi), g(\theta,\phi))$. The StreamPlot can be created easily in 2D, but I would like to visualize the stream ...
1
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2answers
157 views

How can I plot a 3-variables function to identify the neutral surface and a region

I wanted to plot a 3-D solid region, in which my function f(x,y,z)= x (1/(1 + 0.06))^3 + y (1/(1 + 0.06))^2 + (2 z^2)/15 (Sin[10 Degree])^2 -z/3 Cos[10 Degree] ...
4
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0answers
99 views

Visualisation of intrinsic curvature [duplicate]

I know that Mathematica allows for a lot of nice visualisations, so here I am. I was thinking if one could visualise (using Mathematica) the fact that a 3d (or simpler a 2d one) Torus doesn't have ...
9
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3answers
459 views

How to visualize the interior of a complicated 3d plot

I have an external data file (can be downloaded here: link 1 or link 2) which contains a dense grid of initial condition in the (x,y,z) space. I read it with Mathematica and plot these initial ...
12
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2answers
734 views

How to build a bvh player in Mathematica?

How to build a bvh player that can be used to visualize human motions in Mathematica? Any idea or sample code would be appreciated. ...
1
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0answers
31 views

Visualise sets giving some relations on those sets

I'm not very experienced with wolfram, but I'm searching for a function that can basicly do the following. Giving some sets $A,B,C$ and some relations for example $B \subset A$,$C\subset B$. I would ...
21
votes
3answers
995 views

Visualisation of a recursive function

Is there a way to nicely visualize recursive functions? (diagrams/plots) More specifically I'm looking for a way to make contrast (visually) between e.g. the cosine function which if continuously ...
23
votes
5answers
4k views

Showing the correlation of two variables using a plot

I have a list of $\{x_i,y_i\}$ pairs and I want to show that $x_i$'s and $y_i$'s have positive correlation. The result of ...
16
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2answers
1k views

What is the best way to create a correlation matrix heatmap with values?

This may have been asked somewhere else, but I couldn't find an answer by searching. I'm trying to create a correlation table that colors the background behind the numbers as a heatmap. I've been ...
4
votes
1answer
115 views

Visualization/colorization of many outliers in a BoxWhiskerChart

Imagine a larger data set which I want to display using BoxWhiskerChart. ...
6
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3answers
153 views

Weird output of DistributionChart

I have a larger data set and want to display it using DistributionChart. ...
2
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0answers
53 views

Lat-lon contour plots using geographic projections

I need to create contour plots of (lat,lon) quantities projected on geographic regions using different projections. Usually considering the entire world or hemispheres. Coastlines need to be present ...
5
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3answers
334 views

Visualization of matrix transformations

I define the "matrix transformation" here as follows: $\left[ \begin{matrix} x_1' \\ x_2' \\ \end{matrix} \right]=\left[ \begin{matrix} a & b \\ c & d \\ \end{matrix} ...
2
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0answers
61 views

How could I visualize a rotating cone within a sphere?

I am just learning Mathematica and as the title states here is what I want to achieve. How do I visualize a rotating cone within a sphere ? The length of my cone is governed by following equation. ...
29
votes
4answers
1k views

Homotopy Visualization

I noticed that both the lower cased 'i' and the Apple logo  are topologically equivalent to the disjoint union of two closed discs. I'd like to animate a homeomorphism from the left to the right, ...
2
votes
2answers
118 views

How can I visualize an array of very small vectors spaced on very large grid? [duplicate]

I have data in the form points = {{1, 1, 1}, {1, 1, 2}, ...} vectors = {{2, 2, 5}, {2, 1, 7}, ...} Can somebody help to edit this data so I can ListVectorPlot a ...
2
votes
0answers
57 views

EquationTrekker-like behavior for state space?

EquationTrekker is great for phase space plots, however I want to plot the results of $$\phi '(t)=-b \sin (\phi (t))+g \sin (\Phi (t)-\phi (t))+1\\\Phi '(t)=g y ...
1
vote
1answer
128 views
2
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1answer
70 views

Fix the size of vertices and arrow in graphs

I defined an option to draw nicely the graph. But I have a problem with the different size obtained. For example, the layout of the first graph is what I want to have for all other graphs I will ...
40
votes
4answers
2k views

How to visualize 3D fit

I have a data set of x,y,z values and I fit a function of x,y to the data. This works, but I can't come up with a nice way to ...
1
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0answers
49 views

Graph plotting: specify layers for layered drawing

Mathematica can do layered graph drawing with LayeredGraphPlot or GraphLayout -> "LayeredEmbedding". Is it possible to ...
4
votes
1answer
199 views

How to create a real-time dashboard in Mathematica?

I am trying to figure out how to use Mathematica as a real-time interface. I've used Excel/ODBC connection to a SQL database to use the graphing functions within to get my real-time dashboard. I ...
1
vote
0answers
113 views

Opacity limitations?

Trying to make a better-looking globe model, I start off with something like this To enhance the 3D effect, I want the lines further from the eye to be "grayer" than the lines closer to the eye, as ...
24
votes
4answers
719 views

How can the opacity of a dense data set be automatically chosen?

The problem In a dense data set plotted with opaque points, data points can pile on top of each other. This can cause serious problems with the interpretation of the plots. I'll use as an example a ...
39
votes
1answer
1k views

How to construct a treemap using non-rectangles?

I've written the standard version of a tree map (a graphic that shows nested data) and I'm looking to improve on this layout by switching to different types of polygons or perhaps circles. Can anyone ...
16
votes
2answers
368 views

Visualization: elliptical insights into data sets…

I was recently reading the following paper on visualization techniques using ellipses to gain statistical insights. Elliptical visualization for looking at correlations has briefly been touched on ...