# Tagged Questions

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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### 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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### 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. ...
10k views

### How do I plot coordinates (latitude and longitude pairs) on a geographic map?

I'm attempting for the first time to create a map within Mathematica. In particular, I would like to take an output of points and plot them according to their lat/long values over a geographic map. I ...
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### Working with StarData Versus AstronomicalData

Using AstronomicalData I could easily do something like: ...
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### 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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### 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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### How to get star coordinates for a given time

Fixed in 10.3.1 In the documentation of StarData, there is an example that shows how to get the altitude of Sirius at a given time (in the horizontal coordinate ...
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### 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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### How can I get curated data to be expressed consistently in SI units?

AstronomicalData objects are consistently in SI units: ...
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### None connected graphs for n=59? [closed]

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

### How to program a click panel 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 ...
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### 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 ...
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### How to download and combine S&P 500 stock prices

I want to download historical S&P 500 stock prices and combined them into one big file, having only one column of date referencing all stocks. Here is what I have do so far. ...
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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 ...
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### 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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### 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: ...
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### 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 ...
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### GeoGraphics: problem with GeoPosition in shifted projections

Bug introduced in 10.0.0 and persisting through 10.4.1 A remark about the answer: My work around is only nice for simple cases with points. More general should include proper polygons splitting on ...
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### 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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### 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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### 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: ...
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### 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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### 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"] ...
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### 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 ...
739 views

### Building graph based on the cities connection?

I built a Graph based on the permutations of city's connections from : ...
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### 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 ...
264 views

### How to keep downloaded curated data

If I run StarData[], Mathematica will download the entire database from its server, which is quite a lot of data and takes some time: "Downloading entities ...
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### 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 ...
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### The Orbit and Perigee of the Flamsteed comet

Historical context This year we have the 330-th anniversary of the Battle of Vienna - one of the great formative events of European history, it took place on September 12, 1683. Kara Mustafa, Grand ...
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### 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"] ...
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### 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 ...
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### 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, ...
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### How to identify chemical substance from tattoo?

A friend of mine made a tattoo on his chest of some chemical substance formula. He challenged us to identify which substance is that. I thought that perhaps a combination of: Mathematica image ...
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### 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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### 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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### Mapping Functions to Associations [duplicate]

If I have the association matrix listed bellow and I want to apply: ...
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### 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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### 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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### 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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### 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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### 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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### Off[FinancialData::notent] fails on first run but works thereafter

Off[FinancialData::notent] fails on first run but works thereafter. So what good is it in this case? Is there a trick to force first time success? I've tried "...
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### Can a LatticeData image be displayed in a space filled fashion

I'd like a FaceCenteredCubic image as in the in LatticeData docs, but space packed, and cropped on all the boundaries, so that it illustrates the geometry of the calculation that leads to the \$\pi/\...
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### CountryData fails for some tags and properties

The problem has gone, presumably resolved by WRI. See kirma's comment. I'm using Mathematica 10.0.2 for Mac, and for the first time just tried CountryData. ...
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### Historical Exchange Rates via FinancialData

FinancialData["name"] and FinancialData["name", start] return respectively; the last known price, and the daily closing values ...
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### 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] ...
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### 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 ...
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### FinancialData[], what does “members” include?

I am doing some manipulation of historical stock prices on the NYSE. I want to go through each stock. To find the number of entities on NYSE, one can use: ...