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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131 views

Slow work of TimeSeriesWindow

I have financial data (list of time-values pairs). There are more than 13000 elements. ...
3
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2answers
262 views

WeatherData for the 15th day of each month

Suppose we have WeatherData["Helsinki", "MeanTemperature", {{2007, 1, 1}, {2012, 12, 31}, "Day"}] How we can have data just for 15th day of each month?
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2answers
79 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", ...
3
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1answer
94 views

WeatherData for visibility seems to be missing

When I explore the document of WeatherData of wolfram document center. It is said that WeatherData has properties of visibility. ...
3
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1answer
150 views

How to change the atom size of LatticeData [duplicate]

Using the "Image" property of LatticeData, I can generate representation of lattice structures (like the first basic example did)...
3
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1answer
183 views

Applying LinearModelFit[] to data obtained with WeatherData[]

I am trying to perform a linear regression on some weather data, but I can't seem to figure out how to perform the operation. What I have right now is this: ...
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1answer
361 views

How to transform and combine multiple Graphics3D into one?

ProteinData["A2M", "MoleculePlot"] gives you a Graphics3D object below. I'd like to display multiple of these proteins in a ...
3
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1answer
79 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 ...
3
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1answer
192 views

How to get a list of 3-connected graphs?

I'd like to use GraphData to get a list of graphs with vertex connectivity at least 3. I know GraphData["Nonplanar", 6] gives ...
3
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2answers
40 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
64 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 ...
3
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1answer
74 views

Convert star name into entity value

I have a list of star names: stan = Select[#, Last[#] < Quantity[153.5, "LightYears"] &] &@ StarData[StarData[], {"Name", "DistanceFromEarth"}] ...
3
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1answer
120 views

CountryData et al. and associated InputStream

Quick update I found a way to solve this in webMathematica, using CollectStreams. But still, below problem leaves me puzzled, I would very much like to learn how ...
3
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0answers
63 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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0answers
105 views

How to insert a formula to FormulaData?

Unit Checking Demo In order to throw a unit error,we run the code ...
3
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0answers
79 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): ...
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?
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2answers
110 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 ...
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151 views
2
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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-...
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1answer
99 views

Improving tab view for knots

This code: ...
2
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1answer
185 views

Using DeleteCases with multiple AstronomicalData properties

I am attempting to use AstronomicalData and DeleteCases together to remove invalid cases of two properties while listing the ...
2
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2answers
150 views

In FinancialData what is the difference between FractionalChange and Change?

In FinancialData there are two similarly named properties one can request for a given stock symbol: Change and ...
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1answer
975 views

List all financial Assets data conditionally

I would like to get all the Financial Data that Mathematica respecting those constraints : The assets for which there are at least 20 years of daily price quotations. Or that have s price for each ...
2
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1answer
51 views

None connected graphs for n=59? [closed]

For some reason GraphData["Connected", 59] gives no graphs, is this a bug?
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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: ...
2
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1answer
131 views

WeatherData function problem: “NonMetricValue” returns undated list of values

In the WL example below, WeatherData[] returns an undated list of values when I add the annotation "NonMetricValue." ...
2
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1answer
67 views

Where is ExampleData stored on my system

When I enter: Import["ExampleData/numberdata.csv"] Where does Mathematica go on my system to find the file numberdata.csv? Or, what Mathematica command will ...
2
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1answer
59 views

FlightData missing in Transportation Data but available through WolframAlpha

FlightData is listed in Transportation Data but its link does not work in Mathematica help or on the website reference help. It also returns a symbol-not-found ...
2
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1answer
196 views

“ReliefMap” and “ContourMap” unable to download error

This question may be closed as "too localized". I post in the event other users have had this error and resolved it. The problem: inability to use "ReliefMap" or "ContourMap" options for ...
2
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1answer
340 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. ...
2
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2answers
495 views

City/Country Names by GeoLocation

How do I get the city and country names from the output of FindGeoLocation[] {lat, long} ?
2
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1answer
74 views

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"] ...
2
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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", ...
2
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1answer
793 views

define the range of Longitude from 0-360 in the World plot from CountryData

How can I change the Longitude range to 0-360 in the such plots? ...
2
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1answer
136 views

How can I use several data fields drawn from curated data at once?

How can I use "MinTemperature", "MaxTemperature", and "Temperature" properties of ...
2
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2answers
100 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[]?
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1answer
254 views

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

I tried this code, which downloads data from several weather stations. ...
2
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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
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1answer
208 views

Country borders and grids with CountryData plot?

I am coloring several countries in the manner of the following: ...
2
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1answer
125 views

Mean of Date variable data

I have hourly registered data as : ...
2
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1answer
213 views

Importing data from Excel for DateListPlot

I am importing data from Excel and plotting it with DateListPlot. My code is ...
2
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1answer
733 views

How do I use FinancialData to obtain company revenue and income?

I'd like to make a plot of a company's revenue and income over time. I can do this via Wolfram Alpha pretty easily, just by searching "Ford revenue and earnings from 2000 to 2012". As such I can, if ...
2
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1answer
97 views

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

I would like to use PlanetData to get µ, the product of the Gravitational constant G and a ...
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: ...
2
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1answer
50 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: ...
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0answers
37 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 ...
2
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1answer
87 views

Working with StarData Versus AstronomicalData

Using AstronomicalData I could easily do something like: ...
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0answers
42 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 ...
2
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0answers
37 views

ExampleData texts [closed]

Im interested, what books, text are included the ExampleData, like Alice in Wonderland, The Raven... Is there any site, I can check all the text in mathematica? I tried for example Poe: The Black Cat, ...