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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Is there a Wikidata - based Entity system yet?

Wikidata.org seems to have a similar goal as the new Entity/EntityProperty Wolfram-knowledge base system. The differences are that Wikidata is open, promising faster expansion and fixing, but of ...
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1answer
35 views

converting a named graph into a graph object

I am seeking the edge lists of the complements of named graphs on n vertices. At first sight I would use ...
3
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2answers
66 views

How can I find the Quandl codes for metals?

Probably not the right site to ask this, but how can I find out the Quandl codes for different commodities? For example, gold against USD? Tried "CURRFX/XAUUSD", ...
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3answers
177 views

Why is my ListPlot rounding up fractions?

I'm trying to create a ListPlot that compares a country's poverty fraction with its cellular phone fraction. I'm using this to create the table. ...
2
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1answer
67 views

Working with StarData Versus AstronomicalData

Using AstronomicalData I could easily do something like: ...
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28 views

Filtering word data nouns by subfield?

I am making string combinations using WordData and would like to filter all nouns that come from a specific professional specialization. For example, the nouns in ...
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1answer
46 views

Scale size PolyhedronData

How can I plot a truncated cube with size (sqrt(2)-1)? The code I am using is simply PolyhedronData["TruncatedCube"]
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31 views

ChemicalData, only index downloaded

I do not have access to internet on my PC , so as in Wolfram's KB, I preloaded ChemicalData from an online PC, and then transferred it to my PC. The problem is only the index got downloaded, so how ...
5
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1answer
297 views

GeoGraphics - mapping the Moon

The link here shows a nice way to depict the map of the Moon in Mathematica. But is there a way, to center the Mollweide projection onto the far side of the Moon?
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2answers
70 views

ChemicalData[] error: “L-Cysteine” is not a known entity, class,

If I execute: ChemicalData["L-Cysteine", "MolarMass"] I get the following error: ChemicalData::notent: "L-Cysteine" is not a known entity, class, or tag for ...
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2answers
149 views

How to refer to amino acids by their single-letter abbreviations in ChemicalData[]?

ChemicalData["AminoAcids"] returns the 20 amino acids. There are some properties available, like the molar mass: ...
7
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1answer
155 views

Why does WordList[“KnownWords”] include so many non-words?

I was going through the Wolfram Language book in Mathematica and in one chapter had the following exercise to pick out palindromes: ...
2
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1answer
71 views

List of all dog breeds

How to make a list of all dog breeds with pictures and names like this I tried: EntityValue[ Take[EntityList[EntityClass["DogBreed", All]], 3], "Image"] ...
5
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1answer
69 views

ElementData possible oxidation states

Is there any way to find out the possible oxidation states for a given element? Something like this: ElementData[1, "OxidationStates"] -> {-1, 1} Here is a ...
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815 views

All the food WolframAlpha knows about

I want to plot some nutritional values and do some computation with it. Is there an analogue of CountryData[] to get a list of all the foods for which WA has ...
2
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1answer
51 views

None connected graphs for n=59? [closed]

For some reason GraphData["Connected", 59] gives no graphs, is this a bug?
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1answer
329 views

How to plot GDPs in this way?

Actually the current answer is very wonderfull.The bouns just for someone can complete this question. I found this interesting plot of how the relationship between the GDPs of different countries has ...
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1answer
90 views

How to get the actual Wolfram Language code to draw polyhedra in PolyhedronData?

PolyhedronData[] gives a nice collection of polyhedra. And calling PolyhedronData["DodecahedronIcosahedronCompound", "Image"] ...
5
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0answers
67 views

Difficulties using AdministrativeDivisionData and Entities: Who cures the curator?

Part 1: Difficulties using Entities Happily realizing that there is a lot of curated data "under the hood" in Mathematica I wanted to access population data for some Administrative Divisions in ...
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1answer
83 views

getting stock price from financial data

I would like to print only the stock price from below input , i have been trying since a couple of hours with no luck..this is what I did ...
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0answers
23 views

Mapping Functions to Associations [duplicate]

If I have the association matrix listed bellow and I want to apply: ...
3
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0answers
104 views

How to insert a formula to FormulaData?

Unit Checking Demo In order to throw a unit error,we run the code ...
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136 views

3D orbits of moons around their respective planets

I have seen a lot of solar system models (both animated and not), but I am trying to replicate the same thing with moons. Either just one planet and its lunar system or the our whole solar system with ...
1
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1answer
48 views

How to correctly use FormulaData

I am exploring some of the functions involving units and formulas, and wondered how to input quantities if the variable has a subscript. This works ...
7
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0answers
91 views

Mathematica and Wolfram Alpha - Long data series [duplicate]

Let's say I want a long series of data with the Mexican peso / US dollar exchange rate. The old code I used back in the day was FinancialData["USD/MXN", All] ...
4
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0answers
86 views

Increasing resolution in AnatomicalData

In version 10.3 one can get an image of an anatomical structure, such as a brain, using this code: AnatomyData[Entity["AnatomicalStructure", "Brain"], "Image"] ...
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1answer
70 views

Convert star name into entity value

I have a list of star names: stan = Select[#, Last[#] < Quantity[153.5, "LightYears"] &] &@ StarData[StarData[], {"Name", "DistanceFromEarth"}] ...
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1answer
149 views

W|A or Mathematica for CountryData?

Sometimes W|A gives you something ... WolframAlpha["electricity production of the United States in 2007", "Result"] ... not available in the WDF ...
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56 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
39 views

How to find euro zone equivalent of treasury data in U.S. using FinancialData?

For example I use FinancialData["^TYX", "Price", {{2004}, {2014}, "Week"}]; to get data for U.S. treasury data, can I do the same for eurozone yield curve? I know I ...
6
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3answers
136 views

How to find the standard names of chemicals in ChemicalData?

When I try to get info on acetic acid with the ChemicalData function there are only "aceticAcid$l^{1}oxidanylEster" and ...
4
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2answers
166 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 ...
10
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1answer
140 views

Why some GeoProjections show just half of Chukotka region (Russian map)

I've moved to V.10.4 and proceed with Russian map (the aim is to geoplot regional distributions of some values). Notice most eastern Russian region - Chukotka. Chukotka, unlike other entities, ...
2
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1answer
66 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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0answers
36 views

ExampleData texts [closed]

Im interested, what books, text are included the ExampleData, like Alice in Wonderland, The Raven... Is there any site, I can check all the text in mathematica? I tried for example Poe: The Black Cat, ...
4
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1answer
155 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: ...
6
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2answers
566 views

Remove country flags that match a certain image pattern

I wanted to create the flag you create when you average over all the flags of the world, for this little post: medium ...
5
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3answers
111 views

Is it possible to get CityData for different years?

Is it possible to get CityData for different years? Or get a year of origin of data in CityData?
5
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3answers
95 views

How to ignore year in DateListPlot

I just upgraded to Mathematica 10, and I am trying to get the hang of the new TimeSeries data objects, which are preventing my old strategy of overlaying data from ...
5
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1answer
150 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: ...
7
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1answer
616 views

Why does Mathematica's date for the battle Agincourt differ from the US Navy's?

If I ask Mathematica for the Julian Date for the battle of Agincourt with WolframAlpha["battle of agincourt date"] it reports ...
7
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2answers
310 views

Wolfram Language symbols by their Ranks

I'd like to get the top 50, the bottom 50 and an ordered list of all Wolfram Language symbols based on their "Ranks". With ...
6
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0answers
85 views

Heliocentric coordinates in PlanetData

I tried to use planets' HeliocentricLongitude and I wonder if anyone has any insight on what coordinate system they use. I took vernal equinox times from http://ns1763.ca/equinox/eqindex.html and ...
3
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1answer
91 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. ...
0
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1answer
60 views

Formula lookup wildcards [closed]

When I give the command: FormulaLookup["sphere"] I get no results even though I know there are formulas involving spheres. Do I need to use some kind of wild ...
11
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1answer
218 views

How can I get curated data to be expressed consistently in SI units?

AstronomicalData objects are consistently in SI units: ...
2
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0answers
77 views

Exporting organization of Mathematica's documentation to a JSON file

In this answer, @Vitaliy Kaurov explores and utilizes new Mathematica's functionality WolframLanguageData: ...
2
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1answer
57 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 ...
1
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1answer
83 views

Is there a hidden location-type property for TropicalStormData?

TropicalStormData gives you time-series data on tropical storms. In the property list there is not a location (geographic coordinates) property listed. There are ...
3
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0answers
78 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): ...