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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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762 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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148 views

How can I disable system updates only?

Suppose I'm quite happy with my current Mathematica installation and wish to keep the system in its current form just reliably working. Since there were already at least two cases[1,2] when a lot of ...
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84 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....
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CountryData vs EntityProperty: why do different data access methods produce different results?

Illustrative example: using CountryData we are told the data is missing, but we can nevertheless access it via an EntityProperty....
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150 views

Itsy-Bitsy Teeny-Weeny Little Polka Dot Island in CountryData

I'm probably misunderstanding something, but: ...
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132 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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105 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 ...
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133 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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373 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. ...
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296 views

Does Mathematica support collaborative filtering and recommendation systems?

Does Mathematica support collaborative filtering and recommendation systems such as can be found in Apache Mahout? I could not find any resources about advanced data mining techniques, beyond ...
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89 views

best source query for Wolfram Knowledgebase

I am trying to decide whether the Wolfram Knowledgebase can be useful to me in the classroom. For this to be the case, I need to easily determine the source of the data and its units. I'll give two ...
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123 views

Downloading curated data

This website shows how to download curated data for offline usage. I thought I could do this on a computer connected to internet as well as a means of caching the data so that I do not have to ...
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59 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 ...
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73 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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613 views

Curated data sometimes delivered in undefined units

This question may better go to Wolfram, but as it came up on the weekend, I thought I'd try here first. Take a look at the following: ...
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154 views

What is the source of Mathematica's maps? How do I cite them?

I used GeoListPlot to generate a beautiful map and included it in a paper I submitted to a journal. I cited the link http://www.wolfram.com/mathematica/ in my paper ...
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114 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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121 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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59 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?
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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 ...
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250 views

FinancialData property value at a given date

I was trying to get the volatility value of a specific equity on a given day. Based on the Mathematica Help, the syntax is ...
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84 views

Alexander polynomials for Pretzel knots

All knots, such as this torus knot, KnotData[{"TorusKnot", {3, 5}}] have an associated Alexander polynomial: ...
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86 views

Can FinancialData really get the data of options?

The "Wolfram reference" says that the function "FinancialData" can get the data of stocks, options and other financial derivatives. But till now, I can't use it to get the data of options such as AAPL ...
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57 views

List of Names of Stock Exchanges

executing the following code: sel = FinancialData["Exchanges"]; csel = {#, FinancialData[#, "Name"]} & /@ sel // Dataset results in a list attached below. ...
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38 views

Cannot access Mathematica data repository: “Removed Dataset”

I want to use Mathematica's data repository, specifically their data on US State income. However, when I try to access the dataset: ResourceData["US State Income"] ...
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60 views

Missing words WordData

I'm using WordData to check text, I want to omit placenames, non English words etc. I've noticed a few peculiar returns from this function for certain inputs, for example: ...
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113 views

FinancialData price adjustments no longer work?

TL;DR The following properties of FinancialData appear to no longer work: ...
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0answers
114 views

Adjusting opacity in map overlays

I am currently working with rainfall data from hurricane Harvey in order to better understand how to allocate resources in the event of another disaster. I want to accomplish a few things given this ...
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102 views

Getting data for solar radiation

There data for it is available in the web like on pvgis or NASA. The first one deliveres data for a surface with polar and azimut angle. That would be the kind of data I need. Is there a chance to get ...
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134 views

How to generate the rows of data points from a model?

Recently, I notice two interesting built-ins AnatomyPlot3Dand AnatomyData. For instance, ...
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97 views

Holidays output

I wanted to print out the holidays in Germany in 2016: ...
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241 views

CVaR Portfolio Optimization

I am looking for help on CVaR Portfolio Optimization based on the article . I have to solve the following problem: CVaR cannot be negative by design. Therefore, (a)+ is defined as max(a, 0). Withe ...
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127 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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0answers
90 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): ...
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57 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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112 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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0answers
67 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 ...
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105 views

Exporting organization of Mathematica's documentation to a JSON file

In this answer, @Vitaliy Kaurov explores and utilizes new Mathematica's functionality WolframLanguageData: ...
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60 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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750 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? ...
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Formula for “Return” in FinancialData

After I get the data for the return, divident, and price of a stock with e.g. ...
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136 views

List of Financial Index in Mathematica

I have to work with different Financial Futures Index in Mathematica using the function "InteractiveTradingChart". But, I can't able to find a complete list of all the available Financial Futures ...
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Speed up FinancialData execution?

When I do e.g. GE = FinancialData["GE", "OHLCV", "Jan. 1, 1918"]; // Timing {2.67188, Null} The output claims that the ...
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66 views

Cleaning Curated Data

I am preparing data consisting of temperature and pressure values from each country in the world using the following code. <...
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75 views

SatelliteData for a hypothetical satellite

SatelliteData appears to have some sort of orbit propagator behind it. It works for existing satellites, but is there any way to use it to predict the orbit of a ...
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149 views

What's the dataset site/provider from which Mathematica import Financial Data price?

I tried to download a lot of Financial Data Time series of different financial assets (Exchange, Commodity, Index, Stocks, etc etc...). In the most part of cases, I try to found, and download it, ...
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122 views

How to plot rainfall on 3 dimensions

I am currently working on making a 3D plot with latitude on the x, longitude on the y, and total rainfall during hurricane Harvey on the z. My desire is to take historical hurricane data in order to ...
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86 views

Historic Financial Data

The Mathematica line DateListPlot[FinancialData["L:ULVR", DatePlus[-1865]]] does not work now. It generates the output "DateListPlot::ntdt: The first argument to DateListPlot should be a list of ...
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83 views

I want to plot an intersection point from 2 street names on a map

Say, I want to plot the point of 5th ave & E 79th ave in NYC on a map, how should I do it with mathematica? Also, say I have a street, say 5th ave in NYC, can I ask to give me all the ...
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49 views

FinancialData - differents results in time

I use FinancialData to get historical stock prices (see code below). I update them each year to get new data. I found out that stock price for particular month (e.g....