Questions tagged [curated-data]

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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4
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1answer
178 views

How to download Entity data for an interval of dates

I am interested in downloading "TropicalStorm" data for hurricanes with the highest "WindSpeed" occurring in the years 1990 ...
4
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0answers
116 views

List of mathematicians

How to make a list of mathematicians by using Mathematica? There are $284387$ person entity in Mathematica, but I need only mathematician entity I tried something like this ...
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1answer
124 views

StringExpression: Cleaning up curated datasets from camel-case for CSV export

Context: If a Property of a Wolfram Curated Dataset could contain multiple elements, it is stored as a List; further, although ...
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806 views

How to find a street pattern that fits a specific edge on a map

Cross post here I have such funny pictures: Very interesting,and you can get all of it by this code: ...
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1answer
144 views

How to find list of curated datasets

How does one find a list of all curated datasets in Mathematica? For instance, I was seeking representative reflection spectra of various types of fruit, and searched through the entity foods, but ...
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78 views

Weather data property returning “Not Applicable”

When I try to use most weather data fields from Mathematica I get a "Not Applicable" error: ...
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45 views

Different WordData results between notebook and command line

When I run p = WordData["classy", "PhoneticForm"]; Print[p]; Print[StringLength[p] ]; in a notebook, the result is ...
2
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1answer
51 views

How to find data source for TravelDistance function?

Just a quick one. I've been using the TravelDistance function for some analysis. I want to cite the data source used by Mathematica, but can't find any reference to ...
0
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1answer
76 views

Why is Carbon and other elements (not available) in StoppingPowerData?

I am trying to look up StoppingPowerData for a number of elements and while this snippet works for several I have tried (Aluminum, Lead, Iron for example), I get a result of (not available), but no ...
8
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2answers
583 views

Creating a Stock Dataset

I've been looking into how to create a stock database in Mathematica using Dataset. This may or may not be a sensible idea, depending on the quantity of data required, although the possibility of ...
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0answers
69 views

Why is this lattice data missing?

Is there a reason why LatticeData["FaceCenteredOrthorhombic", "Basis"] returns Missing["NotAvailable"] while ...
2
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1answer
122 views

Knowledge Domains

What function will return a list of all the domains in the knowledge representation? The Mathematica reference lists CountryData, CityData, ChemicalData, FinancialData, WeatherData, WordData, ...
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34 views

Converting types of administrative data

I want to aggregate the data that Wolfram has on ZIP codes and administrative divisions. I know that administrative divisions have a ZIPCodes property, but it always seems to be empty. Is there a ...
2
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1answer
249 views

Getting index member with FinancialData[]

How can I use FinancialData to get the ticker symbols for a given index? For example suppose I want the tickers for all 500 stocks currently listed on the S&P ...
0
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1answer
86 views

In the Wolfram Curated Data Is “Missing[NotApplicable]” Somehow Special?

I have a simple two dimensional table, but I can't seem to Select[], or Cases[] match the data when the second column is ...
2
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2answers
400 views

List of extinct animals

There is a list of endangered species EntityList[EntityClass["Species", "EndangeredSpecies"]] How to make a list of extinct animals by using Mathematica?
9
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1answer
737 views

How to use an image as a number?

How to define an image as a number? for instance I want to do something like this where but there is an error massage ...
6
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2answers
262 views

Make a 3D geographics with boundary of province

This is a example in documentation of GeoElevationData(Neat Examples). ...
2
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0answers
59 views

Another question on Mma data sources/syntax

Let's say I want to have the vapor pressure of mercury, as a function of temperature. I know that this information is available, for any specific temperature, from Wolfram Alpha, and I can also get ...
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0answers
129 views

Finding Option Value in American Options

I want to find the Option Value in American Options. I basically want to replace this code if possible ...
0
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1answer
55 views

FinancialData Function Returns Wrong Volume for Periods of “Weeks”

Using Mathematica 11 on Windows 10 Pro. When using the FinancialData function and acquiring data by the "week" the price data is correct for each entire week; ...
5
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0answers
60 views

Problem with specifying quantity value in FormulaData

I wanted to use the formulas for KineticEnergy and KineticEnergyRelativistic with specific quantity vaules. The later formula ...
6
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1answer
295 views

How can I find the source of data of a wolfram alpha query?

If in Mathematica I type, for example: ==Sun mass Wolfram Alpha gives me lots of data (mass in kg, lb, sun radius, temperature...): but where do they come from? ...
2
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1answer
89 views

Does Mathematica provide access to data which is not available in Wolfram Alpha?

Does Mathematica provide access to data which is not available in Wolfram Alpha? For example, I asked Wolfram Alpha "US fertility number of children" because I want to know the distribution of women ...
3
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1answer
162 views

Define and plot function from ThermoDynamicData

I have a hunch that this is a straightforward variant of similar questions regarding how functions are evaluated by Plot, but this case has me stumped. Let's say I want to produce a plot of the ...
3
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0answers
97 views

Holidays output

I wanted to print out the holidays in Germany in 2016: ...
6
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1answer
794 views

Where can I see a full list of ExampleData?

Using ExampleData, we can extract data for Machine Learning, Sound and others. From the reference of the Wolfram Language, I can see a full list of types of data, like machine learning, dataset, audio,...
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0answers
188 views

How to cache a paclet permanently? [duplicate]

I have needed to use a paclet when I did not have internet and was out of luck. Is there some way to tell Mathematica to cache and never re-download a list of certain paclets?
0
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1answer
108 views

CountryData function

I under that Mathematica are able to extract data from a cloud/ online sources. Pardon the improper use of jargon for programming and IT is not my area of familiarity. Are the data that Mathematica ...
5
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2answers
286 views

How to set proper time zone for weather data

I am running a query to pull historical temperature readings from Los Angeles using the following query: ...
4
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2answers
68 views

In which direction does WindDirection 0° point?

I was playing around with WeatherData. In this moment: WeatherData["Milan", "WindDirection"] (*0°*) which is nice, but 0°, ...
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1answer
82 views

How do I extract religion fractions data from CountryData?

In this code: data = CountryData["UnitedStates", "ReligionsFractions"] I need to extract all of the names of the various religions as a variable and the fraction ...
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0answers
38 views

Error Processing CityData

I try get the populations of all cities by this common used line pop0 = Map[{#, CityData[#, "Population"]} &, CityData[All]]; But it gives me this error ...
4
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1answer
121 views

How To Improve Mathematica StarData Performance When Compared To AstronomicalData

My tests of using AstronomicalData versus StarData show that StarData requests are 15 times ...
2
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1answer
91 views

How To Replace xAxis and yAxis Number Values With An Associated Name

This application works great. The thing is, the associations: {{xAxis, 6}, {4, 5, 6, 7, 8}}, {{yAxis, 7}, {5, 6, 7, 8}}, while functional, are not very intuitive. How can I replace xAxis and yAxis ...
8
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0answers
87 views

Extracting, Formatting, and Exporting Mathematica AstronomicalData - Is There an Easier Way?

If any of you have tried to use Mathematica AstronomicalData and its newest replacements like StarData, you may already be familiar with the large data issues, and the almost impossible download times....
3
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1answer
793 views

Obtaining Historical Financial Data

I'm trying to get the historical P/E ratio for a number of securities. WolframAlpha makes this seem easy: However, when I try to obtain a subset (or even just a single value) of this information in ...
5
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2answers
244 views

How to turn a colour entity into a colour directive?

I am not experienced with Wolfram Knowledgebase queries and working with entities. What is the "correct" way to convert a colour entity into a colour directive? Example: ...
21
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2answers
703 views

How can I use Mathematica to sort the US Congressional Districts by Perimeter÷Area

The United States is divided into 435 congressional districts. Some of their shapes can be really strange due to gerrymandering. I think that I can find very gerrymandered congressional districts if ...
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2answers
166 views

How to Replace Plot Slot Numbers With Variable Names

The format of my data looks like: ...
3
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0answers
133 views

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
65 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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3answers
423 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", ...
4
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3answers
240 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. ...
6
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2answers
251 views

Atom weight in SI units

In chemistry is very common to use the units grams/mol for the atomic weight, so the mass of one atom (of Tin, for example) is calculated as : massOfOneAtom = (0.11871 (Kg/mol))/(AvogadroConstant (1/...
3
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1answer
156 views

Working with StarData Versus AstronomicalData

Using AstronomicalData I could easily do something like: ...
0
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0answers
85 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 ...
0
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1answer
242 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"]
6
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1answer
399 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?
6
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2answers
129 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 ...