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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How to extend dictionary.txt

How to extend the default dictionary.txt for Dictionarylookup to all words? For example, first I ...
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1answer
1k views

The Orbit and Perigee of the Flamsteed comet

Historical context This year we have the 330-th anniversary of the Battle of Vienna - one of the great formative events of European history, it took place on September 12, 1683. Kara Mustafa, Grand ...
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644 views

financial data behind Wolfram|Alpha and Finance Platform

I need to price 23,000 securities from 1999 to 2007, and they are surprisingly hard to find on subscription-based services, like Bloomberg LP, ThomsonReuters or S&P CapitalIQ offerings. Probably ...
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1answer
128 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 ...
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1answer
309 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 ...
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1answer
163 views

Access curated or locally stored data with curated data functions?

Say I have a toy package, something like: ...
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2answers
255 views

Why is CityData[All, “Coordinates”] failing?

When I evaluate CityData[All, "Coordinates"] Mathematica returns {Missing["NotAvailable"], Missing["NotAvailable"]} ...
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2answers
604 views

Using ChemicalData to make molecule graphics

I would like to take the acetone $((CH_3)_2CO)$ and chloroform $(HCl_3)$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how chloroform can hydrogen bond ...
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0answers
154 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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3answers
297 views

Export Graph to PDF

I know that I exported Graphs to PDFs before but it doesn't seem to work any more. I tried K5 = GraphData[{"Complete", 5}] Export["K5.PDF", K5] And I get a PDF ...
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1answer
377 views

Can a LatticeData image be displayed in a space filled fashion

I'd like a FaceCenteredCubic image as in the in LatticeData docs, but space packed, and cropped on all the boundaries, so that it illustrates the geometry of the calculation that leads to the ...
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4answers
1k views

World plot without borders between countries

I would like to plot the world map without the countries' borders and just the coastlines (in Mathematica 8). I need to overlap a temperature contour plot on the world map. When I plot country data ...
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1answer
267 views

Overloading second argument of CountryData

For convenience I'm trying to add an extra property to CountryData ...
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1answer
372 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? ...
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1answer
213 views

How to view all graphs available in GraphData?

Is there a "gallery" view of all the graphs available in GraphData? I realize that some graphs may not lend themselves to such representation (e.g. some may have ...
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1answer
949 views

Interactive steam tables and phase diagrams in Mathematica

I teach an undergraduate course in Thermodynamics and I would love to use Mathematica to demonstrate the various engineering processes that involve the expansions and compressions of steam and common ...
6
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1answer
207 views

Under what conditions does FinancialData return a ::notent message?

I tried retrieving FinancialData for a few companies but when I tried doing it for NTDOY, I couldn't. As of 25/12/2012, querying ...
5
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1answer
214 views

How can I download price information for multiple stocks at once?

I have a list of stock tickers. Is it possible to download price information over a period of time all in one go, or download other types of information across multiple stocks in one go?
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5answers
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Standard deck of 52 playing cards in curated data?

I am not sure how to find out what all is included as curated data. For example, are the individual images of each of the 52 cards in a standard deck of playing cards included? If not, is there a way ...
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Why do DateList, DateString, and AstronomicalData ignore $TimeZone?

My reading of the documentation for DateList and DateString lead me to believe that both functions use ...
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2answers
377 views

Problem achiving effect I want with ColorFunction

I want to create a plot showing historical annual maximum and minimum temperatures. I've figured out how to get 10 years of historical temperature data from Wolfram|Alpha. The plot below shows the ...
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1answer
230 views

Structure of curated data?

Is there a way to programmatically access the structure of curated data present in Mathematica (for each type of information, for example for CountryData or ChemicalData) that would allow access to ...
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2answers
350 views

How is AstronomicalData interpreting its date arguments?

It is easy to confirm that the AstronomicalData is not interpreting its arguments as UTC (or "GMT", which is, in any case, ambiguous) dates by verifying that the ...
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1answer
222 views

Is there a way to get AbsoluteTime to correctly report absolute time differences?

Absolute time supposedly reports the "total number of seconds" between two dates, but it does not. For example because of the leap second applied at 2012-06-30T23:59:60Z ...
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2answers
351 views
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1answer
332 views

Find the list of weather stations for specified cities

I wrote some code which retrieves temperature data from three cities every hour for five days. My problem is that the default station from which WeatherData[] gets ...
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114 views

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

How can I use "MinTemperature", "MaxTemperature", and "Temperature" properties of ...
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0answers
186 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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1answer
164 views

how to get modify the following correlation matrix with a specific list of financial prices?

The following takes the last 5 members of the Dow Jones index and plots the correlation matrix of the last 5 years of daily prices: ...
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2answers
214 views

What do AstronomicalData's “SetTime” and “RiseTime” values refer to?

What astronomical event do AstronomicalData's "NextRiseTime", "NextSetTime", ...
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1answer
237 views

How do I determine astronomical transit times?

Mathematica, through the "legacy" Scientific Astronomer package, used to have the ability to easily determine accurate transit times of astronomical objects simply, with ...
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4answers
482 views

Calculate proportion of values for dates

At work, we were discussing when is it the best time to change to winter tires for bikes and/or cars. Using WeatherData[] and ...
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3answers
365 views

Why is AstronomicalData so slow?

I'm having trouble getting some pretty simple functions using AstronomicalData to perform at anywhere near the speed I need them to. For example, I have many ...
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0answers
126 views

Creating a PolyhedronData[] structure for custom polyhedra [duplicate]

The PolyhedronData[] structure is wonderfully rich. I would like to create data for my own polyhedra, not any of the many that Mathematica provides. Is this ...
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4answers
551 views

Why do some CountryData flags render at low resolution?

This question is related to data analysis introduced here Why do some flag images from the CountryData dataset render at very low resolution both in Front End and ...
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3answers
458 views

Getting all the countries' flags and then using them as chart labels?

What's the code to list all the world's flags? CountryData["G8", "Flag"] works to get those particular flags, but what about all the world's flags? ...
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1answer
353 views

How does Mathematica know my location?

On the AstronomicalData page in the online reference, it says for AstronomicalData["Sun", "NextRiseTime"] that it finds the ...
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1answer
363 views

CountryData and the areas of the world

If I add the WaterArea and the LandArea of the world, I get the same number as if I asked for the total area of the world in the first place: ...
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1answer
329 views

Find elements in a decay chain using IsotopeData

I am trying to write a program using the Mathematica function IsotopeData, but am finding the code troublesome. Due to my (relative) familiarity with Python, I am ...
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2answers
2k views

Problem with Financial Data

I'm following http://reference.wolfram.com/mathematica/ref/FinancialData.html I get the following: In[6]:= DateListLogPlot[FinancialData["^DJI", All]] During ...
8
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1answer
294 views

How to provide your own example data for a custom package?

A nice feature of the mathematica documentation is the copious use of ExampleData in illustrating functionality. I would like to provide some example data for a ...
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3answers
246 views

Determining the dates of days

I'm trying to use WeatherData[] to give me (not sure how) the temperature, humidity, wind-speed, cloud cover... at a certain location. I only want the information ...
9
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1answer
196 views

How can I convert the dates returned by FinancialData into decimal representation?

I'm trying to run a regression using Fit on the output of FinancialData["SPY", "Jan. 1, 2011"]. However, the dates returned ...
6
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2answers
260 views

How to choose variables from a list for a function and then use the solution in a subsequent function?

I am trying to calculate heating degree days and cooling degree days and output that information to a table. I am using mathematica's curated data to do this. In text this is what I would like to ...
15
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4answers
790 views

Finding all dictionary words that can be made with a given set of characters (Wordfeud/Scrabble)

This is a slightly more involved variant of this recent question. By sheer coincidence I happened to have been building a Wordfeud (Scrabble clone) game in Mathematica. My interactive Wordfeud ...
17
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3answers
856 views

Highlighting individual countries on a world map

Consider the following list of countries which I would like to highlight on a world map: ...
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4answers
4k views

How to make a 3D globe?

There are many ways to create a 3D Earth that is rotatable (see here, here, related here), but most of them have some drawbacks. These issues mainly stem from either ...
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1answer
310 views

How to save ChemicalData queries so that they are available immediately on notebook load?

If I put some viscosity (or density, ...) lookups in my notebook, such as: ...
12
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1answer
708 views

Why does CUDAQ (from CUDALink) download data from Wolfram servers?

I understand why functions like ElementData or CountryData need to download up-to-date data when first launched. However, when ...