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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ThermodynamicData missing [on hold]

Yesterday I was using ThermodynamicData[] and all was fine, today I try to use it and I get: Missing[NotAvailable] Does ...
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47 views

GDP Per Capita isn't right when called from CountryData?

CountryData["USA", "GDPPerCapita"] gives $\$45230.20$ per person per year in July, 2015. But ...
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167 views

Mma 10.2 `Alphabet` and `LanguageData` give different and both erroneous list of letters

The new function Alphabet introduced in Mathematica 10.2 gives the wrong list of letters for the Spanish language in my system (Windows 7 64 bits). ...
14
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1answer
220 views

Compability between Graphics coordinates and shifted projections in GeoGraphics

Bug status V. 10.0.0 - V. 10.2 I'd expect GeoGraphics to handle positions of points since they are provided with ...
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35 views

PlanetData “VelocityAroundSun” giving inconsistent answers

My goal is to create a ListPlot showing the Earth's orbital speed over the course of a year, with one datapoint per day. I'm seeing problems long before I even get to the point of plotting the data! ...
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2answers
902 views

Using ChemicalData to make molecule graphics

$\require{mhchem}$I would like to take the acetone $\cf{((CH3)2CO)}$ and chloroform $\cf{(HCCl_3)}$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how ...
3
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1answer
155 views

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. ...
16
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1answer
330 views

Right Ascension and Declination in astronomical functions

In the process of answering this question, I was forced to confront the various astronomical coordinate systems used by Mathematica. Background In astronomy, positions of celestial objects (stars, ...
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51 views

Can't get map of Italy from Geographics [closed]

On Mathematica 10.1 Desktop version, I'm trying: GeoGraphics[Polygon[Entity["Country", "Italy"]]] but it doesn't get the Italy location and throws this error: ...
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0answers
68 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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2answers
109 views

What is the URL of the site used by ExampleData?

When ExampleData is evaluated, Mathematica downloads data from a Wolfram Research Data server. What's the exact domain of this, though? I bet it's ...
24
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0answers
360 views

Summer Solstice Spurious Correlations Challenge

I came across this hilarious web site that has charts of bizarre "correlations" between disparate categories. Results like this: In the spirit of my summer solstice shedding spuriously earned rep. ...
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2answers
74 views

How to set the timeout value for *Data functions

I haven't measured this precisely but it seems the default timeout value for retrieving EntityValues with *Data functions is in ...
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43 views

FinancialData, comparing returns accounting for different holidays

At the moment I am trying out the FinancialData feature of mathematica. I am a bit struck with the problem of dropping returns for dates of a list of different stocks not being equal for all stocks ...
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1answer
85 views

How to change the atom size of LatticeData

Using the "Image" property of LatticeData, I can generate representation of lattice structures (like the first basic example ...
6
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1answer
353 views

Constructing primitive cell using information from ChemicalData

I would like to construct a primitive cell (figure shown) and possibly the two-dimensional layout (figure from here) using the following input. Any clues as to how this can be done? ...
8
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1answer
159 views

Mathematica AppData folder is taking up too much space

I recently made a small app that I had issues with. I'm pretty sure it ended up being because of all the curated data to load. My problem now is that under the Windows 8.1 folder ...
0
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1answer
80 views

Financial data source change

So I am using the command FinancialData["name"] to get the live price for any given stock. The openings are very important in my studies that I am conducting and it ...
2
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0answers
43 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: ...
2
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1answer
73 views

How to find µ (Gravitational constant mass product) with PlanetData?

I would like to use PlanetData to get ยต, the product of the Gravitational constant G and a ...
13
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1answer
648 views

Map of Specific US States? (Isolated)

My question here is fairly basic, and I'm sure I'm overlooking something basic. I know about CountryData for creating shapes of entire countries, and it works, to ...
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2answers
59 views

Is there any way to pull interest rates, or an interest rate curve, with FinancialData[]?

Let's say I want to know the 5 year swap rate and the 10 year swap rate right now, is there a way to get this with FinancialData[]?
8
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2answers
426 views

Generate a list of symbols for the planets

I would like to generate a list of the symbols for the planets to include in a nice table with other data. How can I programmatically generate (eg. using a pure function) the symbols from a list of ...
2
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1answer
81 views

How to obtain a complete list of WordData's “Properties”?

Command WordData["Word", "Properties"] seems to return an endless list of properties, such as: "Definitions", ...
2
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2answers
92 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 ...
6
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2answers
248 views

How do I plot my country map with weather data stations?

I've tried this code, but I can't plot the coordinates in my country map. ...
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2answers
43 views

Want apply “Position” in my list of Entities

I want apply "Position" in my list of Entities: Entity /@ GeoEntities[CountryData["Belarus"], "Lake" | "Canal"]["Position"] ...
14
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2answers
353 views

How to ContourPlot a function of the coordinates on the Earth's surface on a map projection

There are two similar questions (this and this), but one is too specific and the other is apparently not clear and has no answers. I'll try to make the question more complete. Suppose you have a ...
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3answers
355 views

Visualizing data on a world map - flexible record format

I have a list of members of a team, and I want to create a visualization on a world map. I want to plot them on a map, to see some clustering. The fields are: ...
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1answer
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4
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1answer
44 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. ...
14
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4answers
1k views

How to change element color in Periodic Table?

The command ColorData["Atoms", "Panel"] generates a periodic table. As I don't want to reinvent the wheel, I asked myself how to change the color of each cell ...
2
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1answer
122 views

How do I download and export data from many weather stations?

I tried this code, which downloads data from several weather stations. ...
16
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1answer
611 views

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 ...
4
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2answers
197 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 $n=4$: ...
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0answers
112 views

How to get star coordinates for a given time

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 system). However, ...
9
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2answers
113 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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5answers
798 views

Is it possible to invoke the OEIS from Mathematica?

I had always wondered if there might be a way to write a function, which I'll call OEISData[], that more or less works as a curated data function for The On-Line ...
4
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1answer
161 views

MovingMap maps to second level unexpectedly

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

Missing elements using FinancialData

I have a list of stock symbols which I selected with FinancialData["Menbers"] that looks like the following list: ...
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0answers
58 views

How to access data from WHO Mortality Database

How to do I access the online data from the WHO Mortality Database, which is free to download. What are the Mathematica specific commands to directly load the xls file that can be obtained from this ...
0
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3answers
71 views

Delete nested lists with Missing[“NotAvailable”] [duplicate]

I have a list of stock symbols and related information containing some entries Missing["NotAvailable"]. I would like to delete all nested lists which contain a ...
2
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3answers
279 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 ...
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1answer
65 views

Accessing chemical property data for specific conditions?

There is a wealth of data for various chemicals available through Mathematica. For instance: ...
10
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2answers
147 views

How can access to curated data needed by GeoRegionValuePlot be speeded up?

Seems that GeoRegionValuePlot requests data from the internet multiple times to process its plot. As an example, let's graph smoking per capita worldwide. ...
6
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2answers
189 views

How can I output the coordinates of a city in coordinates of the Mercator projection?

On Mathematica version 8, I would like to use CountryData and CityData to mark Paris on a polygon map of France in the Mercator ...
8
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1answer
254 views

Visualizing nested lists for easier human understanding

When interacting with Mathematica, I often find myself staring blankly at waves of curly braces, trying to understand how data is organized hierarchically. For example, the beginning of the result to ...
9
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2answers
440 views

Computing Many Slow I/O Operations

In working on a custom stock screener, I often need to run mathematica code like this: ...
2
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2answers
135 views

Function WeatherData fails

If I use WeatherData[] only some of my requests work. For example if I use WeatherData[{"Chicago", 3}] I get the correct output: ...