Since version 7, Mathematica includes gigabytes of curated data relevant to many different fields, including physics, chemistry, graph theory, finance, geography and many more.

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94 views

Edit built in symbol

I would like to add new attributes to built in symbols (e.g. ElementData or PolyhedraData) so that I can still call the symbol ...
5
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1answer
152 views

Obsolete AstronomicalData - how to convert to PlanetData

As of Mathematica version 10, AstronomicalData is obsolete, deprecated in favor of PlanetData, ...
5
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1answer
136 views

Confused by result of MoonPosition when running on Linux [closed]

I've just switched from Windows to Linux and am running Mathematica 10.1 on Ubuntu 14.04. MoonPosition[] Gives me: ...
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85 views

Is there a problem with some of the curated Star Data?

I'm not really sure if I'm doing something wrong, or if there's a problem with some of the Mathematica curated data on stars. My problem is this: I'm trying to find the location (latitude and ...
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214 views

Does Mathematica support collaborative filtering and recommendation systems?

Does Mathematica support collaborative filtering and recommendation systems such as can be found in Apache Mahout? I could not find any resources about advanced data mining techniques, beyond ...
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0answers
128 views

Creating a PolyhedronData[] structure for custom polyhedra [duplicate]

The PolyhedronData[] structure is wonderfully rich. I would like to create data for my own polyhedra, not any of the many that Mathematica provides. Is this ...
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2answers
162 views

Coordinates for multiple countries

I am trying to plot polygons for multiple countries, say "UnitedStates" and "Canada". US data is generated thus: ...
4
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2answers
362 views

Find all synonyms of word X that rhyme with word Y

Given two words x and y, I'd like to find the set of all words that rhyme with x and are synonymous with y. Is this possible with WordData or ...
4
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2answers
307 views

Using GraphData to generate all directed graphs with n vertices

Using Combinatorica, it was possible to generate unlabeled (non-isomorphic) directed graphs of $|V|=n$. Here the example is for $n=4$: ...
4
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2answers
149 views

Use the value of a cell in a table as the argument to a function

I just got Mathematica from my school and I'm trying to learn the basics. How could I use the value of a cell in a table (as in Insert->Table) and pass it as an argument to a function whose value is ...
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1answer
188 views

MovingMap maps to second level unexpectedly

I'm trying to build a financial indicator in mathematica. I import some historical data ...
4
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1answer
126 views

Render Graphics3D of anatomical data in color

I am trying to render a bone structure in color in Mathematica 10.3, but none of the obvious methods seem to work: ...
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2answers
355 views

Should we invest in Apple?

Ticker[comp_String] := Interpreter["Company"][comp] /. Entity[_, x_] :> x ticks = Ticker /@ {"Apple", "Google"} {"NASDAQ:AAPL", "NASDAQ:GOOGL"} ...
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2answers
149 views

Initializing FinancialData indices … never finishes

Bug introduced in 10.3.0 and fixed in 10.3.1 Retrieving data using FinancialData became more unreliable in the last couple of months, but simply retrying was ...
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2answers
269 views

Getting FTSE indices in Mathematica

I'm not sure if this is the best StackExchange to post this question, but I figured it had more to do with the specifics of Mathematica than Quantitative Analysis so I've posted it here. Basically, I ...
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1answer
200 views

Access curated or locally stored data with curated data functions?

Say I have a toy package, something like: ...
4
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1answer
55 views

Accessing Coordinates of Astronomical Data, e.g. Declination of all Galaxies

I am trying to access the coordinate information of all galaxies, stars, etc, available to the new astronomical data incorparated to Mathematica. However, the suggested (documented) approach fails. ...
4
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1answer
346 views

Map of all graphs obtainable with GraphData?

I've been trying to put together an answer to another question, but I am stuck, so I decided to post this question instead. Mathematica contains (among its curated data) information on definition, ...
4
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1answer
232 views

How to extend dictionary.txt

How to extend the default dictionary.txt for Dictionarylookup to all words? For example, first I ...
4
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1answer
129 views

Cloud cover fraction

I need to make use of Mathematica's WeatherData functionality, the CloudCoverFraction property, specifically. However, it does ...
4
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1answer
99 views

Inaccurate Heliocentric coordinates of PlanetaryMoonData

I have noticed that the heliocentric coordinates obtained with PlanetaryMoonData are very inaccurate. Fore example, consider the Galilean moons of Jupiter: ...
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66 views

Combining separate CHColorStructureDiagrams to form one molecular structure

I am trying to attach a fructose molecule to a sucrose molecule by using information obtained from the following ...
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212 views

FinancialData property value at a given date

I was trying to get the volatility value of a specific equity on a given day. Based on the Mathematica Help, the syntax is ...
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2answers
317 views

Plot “OilReserves” using CountryData from 1985 until 2014

I am newer using Mathematica to plot with the Function: CountryData, I am trying to plot "OilReserves" in "UnitedKingdom" from 1985 until 2014. I don't know how to do it, please help me!
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2answers
138 views

Retrieving coordinate positions using ChemicalData for input to quanutm modelling software

I am trying to set up an input file for a quantum chemical modelling software. How do I obtain the (XYZ) coordinate positions in Angstroms using information obtained using ChemicalData. Have some ...
3
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2answers
181 views

Retrieving other information on CountryData

The following input will produce some answers, however how do we find out other details, such as the specific year the result corresponds to, as well as the source from which the data is obtained? ...
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2answers
132 views

Something wrong with the way units are handled in V10

(This applies only to version 10) I obtain these two properties of silicon: a = ElementData[14, "CrustAbundance"] b = ElementData[14, "MeteoriteAbundance"] both ...
3
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2answers
128 views

Slow work of TimeSeriesWindow

I have financial data (list of time-values pairs). There are more than 13000 elements. ...
3
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2answers
240 views

WeatherData for the 15th day of each month

Suppose we have WeatherData["Helsinki", "MeanTemperature", {{2007, 1, 1}, {2012, 12, 31}, "Day"}] How we can have data just for 15th day of each month?
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1answer
82 views

WeatherData for visibility seems to be missing

When I explore the document of WeatherData of wolfram document center. It is said that WeatherData has properties of visibility. ...
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1answer
143 views

How to program a clickPanel for chemical elements (like a periodic table)?

The command ColorData["Atoms", "Panel"] indicates RGBColors of "Atoms" by clicking a panel. As I don't want to reinvent the wheel, I asked myself: How to ...
3
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1answer
132 views

How to change the atom size of LatticeData [duplicate]

Using the "Image" property of LatticeData, I can generate representation of lattice structures (like the first basic example ...
3
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1answer
163 views

Applying LinearModelFit[] to data obtained with WeatherData[]

I am trying to perform a linear regression on some weather data, but I can't seem to figure out how to perform the operation. What I have right now is this: ...
3
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1answer
185 views

How to get a list of 3-connected graphs?

I'd like to use GraphData to get a list of graphs with vertex connectivity at least 3. I know GraphData["Nonplanar", 6] gives ...
3
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1answer
78 views

SpaceFillingMolecularPlot using CAS number of a compound

When I tried to get 3D graphics for molecule CAS52364-73-5 using Mathematica 10 it produced following result ...
3
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1answer
114 views

CountryData et al. and associated InputStream

Quick update I found a way to solve this in webMathematica, using CollectStreams. But still, below problem leaves me puzzled, I would very much like to learn how ...
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0answers
40 views

How to display EntityProperty objects with their CanonicalName?

Is there a way to display EntityProperty objects with their CanonicalName instead of the text they are currently displayed with. ...
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0answers
77 views

Possible bug in fetching price index data?

I seem only able to fetch price index data for the U.S. For example, the following fails (Mathematica 10.2): ...
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0answers
40 views

What is the definition of “ConceptWeight” in WordData?

The documentation states that the "ConceptWeight" property is a rough estimate of semantic importance, I'd like to know how this is computed exactly, is there any way to find out?
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567 views

Curated data sometimes delivered in undefined units

This question may better go to Wolfram, but as it came up on the weekend, I thought I'd try here first. Take a look at the following: ...
2
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3answers
292 views

Median household income for each county in Maryland

I found that Wolfram|Alpha knows the median household income for every county in the US. I wanted to get a list of all counties in Maryland, and the median income in each county. The only way I could ...
2
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2answers
104 views

Incompatibility of CountryData[] between v. 9.0 and 10.1

There seems to be an incompatibility between the representation in CountryData[] for versions 9.0 and 10.1. The documentation on ...
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2answers
147 views
2
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1answer
92 views

Improving tab view for knots

This code: ...
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2answers
120 views

Utility information using FindGeoLocation in Ver.10

It is possible for some commuters to track the location of their bus, train or tram through a personalised GPS tracking device (e.g.see ...
2
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1answer
175 views

Using DeleteCases with multiple AstronomicalData properties

I am attempting to use AstronomicalData and DeleteCases together to remove invalid cases of two properties while listing the ...
2
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2answers
145 views

In FinancialData what is the difference between FractionalChange and Change?

In FinancialData there are two similarly named properties one can request for a given stock symbol: Change and ...
2
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1answer
113 views

WeatherData function problem: “NonMetricValue” returns undated list of values

In the WL example below, WeatherData[] returns an undated list of values when I add the annotation "NonMetricValue." ...
2
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1answer
50 views

Where is ExampleData stored on my system

When I enter: Import["ExampleData/numberdata.csv"] Where does Mathematica go on my system to find the file numberdata.csv? Or, what Mathematica command will ...
2
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1answer
53 views

FlightData missing in Transportation Data but available through WolframAlpha

FlightData is listed in Transportation Data but its link does not work in Mathematica help or on the website reference help. It also returns a symbol-not-found ...