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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0
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3answers
88 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 ...
3
votes
3answers
330 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
106 views

Accessing chemical property data for specific conditions?

There is a wealth of data for various chemicals available through Mathematica. For instance: ...
5
votes
2answers
398 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 $n=4$: ...
15
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1answer
211 views

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: ...
6
votes
2answers
287 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 ...
16
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1answer
370 views

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 ...
4
votes
1answer
134 views

Cloud cover fraction

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

FRED api reports all data in given month with same date

When I use the FRED package to retrieve weekly data, all of the data points for a given month have the date as the last day of the month instead of the date for the week of the data. ...
3
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0answers
43 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?
2
votes
1answer
136 views

How do you get a country's GDP per capita in Euros?

Right now, I'm getting the data in U.S. Dollars and converting it to Euros like this: ...
2
votes
1answer
99 views

Improving tab view for knots

This code: ...
6
votes
2answers
222 views

Finding out all undocumented values for “Properties” in XxxData[] functions

No, XxxData[] is not a new function in Mathematica 11. I am just using that name for all curated data-related functions. As you know, ...
4
votes
2answers
374 views

Should we invest in Apple?

Ticker[comp_String] := Interpreter["Company"][comp] /. Entity[_, x_] :> x ticks = Ticker /@ {"Apple", "Google"} {"NASDAQ:AAPL", "NASDAQ:GOOGL"} ...
6
votes
1answer
576 views

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. ...
2
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0answers
336 views

Compact Map of USA with Alaska and Hawaii shown under California

Is there a more efficient way to include Alaska and Hawaii on a compact US map than the combination of the three GeoGraphics with Insets shown below? ...
5
votes
1answer
539 views
1
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1answer
54 views

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 "...
9
votes
1answer
308 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 Users/Username/...
3
votes
2answers
137 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 ...
4
votes
2answers
152 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 ...
8
votes
1answer
911 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? ...
15
votes
4answers
1k views

How to get Company Logo or Image

I can see that companies have a logo in Wolfram|Alpha when I type in their name but I can't get them in Mathematica. For example searching for Apple, Inc. in W|A one of the outputs is the Apple logo. ...
2
votes
1answer
341 views

Removing the unit “pm” from atomic positions [duplicate]

The following input yields an output with the unit pm (0.01 Angstroms), how do you eliminate this unit so that only numbers are generated. ...
4
votes
0answers
75 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 ...
3
votes
2answers
149 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 ...
13
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3answers
1k views

Flying to Australia

I want to compare different flight routes to Australia and their lengths. So far I have written: ...
4
votes
2answers
102 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 ...
2
votes
1answer
96 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", ...
1
vote
1answer
72 views

Why does WordData fail to find “PartsOfSpeech” when given a list of two words?

I have the following sample code. StringSplit["a test string", " "] Thread[WordData[%, "PartsOfSpeech"]] The output I get is: ...
2
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2answers
194 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: ...
0
votes
1answer
192 views
5
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1answer
97 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 ...
15
votes
4answers
2k 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 ...
10
votes
2answers
179 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. ...
3
votes
2answers
331 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!
6
votes
1answer
99 views

How to provide data to users in a way similar to Mathematica's curated data

How can one go about implementing a custom data backend usable by Mathematica? For example something like CountryData or ...
27
votes
2answers
602 views

Speed of curated data calls in Version 10

Curated datasets underwent a significant overhaul in version 10, primarily in the way content is delivered in the form of Objects and Entities. Additionally, it appears that this change in content ...
8
votes
3answers
401 views

“NotAvailable” and “NotApplicable” data points returned by WeatherData[]

I am trying to use ListVectorPlot in combination with WeatherData and CountryData to show ...
2
votes
2answers
131 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 http://www.adelaidenow.com.au/news/south-australia/new-...
3
votes
2answers
203 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? <...
6
votes
2answers
261 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 ...
3
votes
2answers
131 views

Slow work of TimeSeriesWindow

I have financial data (list of time-values pairs). There are more than 13000 elements. ...
5
votes
1answer
165 views

Obsolete AstronomicalData - how to convert to PlanetData

As of Mathematica version 10, AstronomicalData is obsolete, deprecated in favor of PlanetData, ...
7
votes
1answer
97 views

Duplicated output from chemical curated data

I just discovered something rather odd while using chemical curated data in Mathematica. I tried to extract EdgeRules for some molecules and some molecules gave me ...
4
votes
1answer
369 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, ...
15
votes
2answers
764 views

Animating transition between all graph representations obtained from curated data

Pappus graph is one of many graphs whose various data is contained within Mathematica. Mathematica typically keeps several ways of representing such graphs: ...
1
vote
3answers
460 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: ...
5
votes
2answers
331 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 ...
19
votes
6answers
1k views

Historical Exchange Rates via FinancialData

FinancialData["name"] and FinancialData["name", start] return respectively; the last known price, and the daily closing values ...