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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70
votes
4answers
11k 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 ...
10
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2answers
624 views

Computing Many Slow I/O Operations

In working on a custom stock screener, I often need to run mathematica code like this: ...
54
votes
6answers
16k views

How do I plot coordinates (latitude and longitude pairs) on a geographic map?

I'm attempting for the first time to create a map within Mathematica. In particular, I would like to take an output of points and plot them according to their lat/long values over a geographic map. I ...
10
votes
3answers
5k 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 ...
13
votes
1answer
826 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 $\pi/\...
6
votes
1answer
986 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 ...
48
votes
8answers
2k views

Is it possible to invoke the OEIS from Mathematica?

I had always wondered if there might be a way to write a function, which I'll call OEISData[], that more or less works as a curated data function for The On-Line ...
17
votes
3answers
2k views

Background image in a polygon / CountryData

Is it possible to use a background image in a polygon without rasterizing the polygon? I tried with textures, but they seem to be viable only for simple polygons. I want to put a flag as the ...
31
votes
1answer
646 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: ...
17
votes
3answers
585 views

How to keep downloaded curated data

If I run StarData[], Mathematica will download the entire database from its server, which is quite a lot of data and takes some time: "Downloading entities 17501 ...
15
votes
4answers
4k 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 ...
27
votes
2answers
6k views

Optimization of a portfolio of stocks

I would like to use Mathematica to perform an optimization of a portfolio composed by 10 stocks. I did the first part to compute yields and expected yields, but I don't know how to finish the ...
36
votes
2answers
3k 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 ...
24
votes
1answer
820 views

Can I build my own curated data function?

I love the huge curated datasets, but they don't cover everything. I have my own huge dataset which is too much to distribute as an EntityStore so is there a way to ...
30
votes
2answers
722 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 ...
37
votes
4answers
1k views

Is there a Mathematica API for the functions.wolfram site?

Is there a Mathematica API for the functions.wolfram site? If there's not, has anyone implemented a web scraper for it? For example it would be nice to be able to access http://functions.wolfram.com/...
17
votes
2answers
1k views

Built-in Mathematica data: are they cached? how to speed up the loading?

Mathematica has numerous built-in data for science and math. Every first call to a data function in a new Mathematica session will "re-initialize indices" (download the data). Is there a way to store ...
16
votes
1answer
408 views

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

AbsoluteTime 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:...
17
votes
1answer
459 views

GeoGraphics: problem with GeoPosition in shifted projections

Bug introduced in 10.0.0 and fixed in 11.0.0 A remark about the answer: My work around is only nice for simple cases with points. More general should include proper polygons splitting on ...
8
votes
1answer
2k 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? ...
4
votes
1answer
129 views

Extracting data from Data paclet

In the $UserBasePacletsDirectory there are lots of paclets that have only Data as an element. These are loaded via the ...
9
votes
1answer
337 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 ...
8
votes
1answer
250 views

Completeness of wolfram database of graphs

Does the Wolfram database of graphs include all connected graphs when the number of vertices is <= 8?
5
votes
2answers
2k views

Using ChemicalData to make molecule graphics

$\require{mhchem}$I would like to take the acetone $\cf{((CH3)2CO)}$ and chloroform $\cf{(HCCl_3)}$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how ...
20
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6answers
2k views

Historical Exchange Rates via FinancialData

FinancialData["name"] and FinancialData["name", start] return respectively; the last known price, and the daily closing values ...
24
votes
5answers
32k views

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 ...
17
votes
2answers
925 views

How to ContourPlot a function of the coordinates on the Earth's surface on a map projection

There are two similar questions (this and this), but one is too specific and the other is apparently not clear and has no answers. I'll try to make the question more complete. Suppose you have a ...
21
votes
1answer
1k views

Right Ascension and Declination in astronomical functions

In the process of answering this question, I was forced to confront the various astronomical coordinate systems used by Mathematica. Background In astronomy, positions of celestial objects (stars, ...
11
votes
1answer
180 views

Hosting a curated data function / server in Google Drive

I want to make a curated data function, but I have no good place to store the paclets. Per the pricing page I only get: And that's really not enough to host all of my data plus give me room to do ...
13
votes
2answers
444 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 ...
11
votes
4answers
1k 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 ...
10
votes
2answers
200 views

How to find what you want in curated data?

The following gives a list of all counties in the state of Maryland. ...
8
votes
3answers
574 views

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

I am trying to use ListVectorPlot in combination with WeatherData and CountryData to show ...
12
votes
1answer
461 views

Overloading second argument of CountryData

For convenience I'm trying to add an extra property to CountryData ...
9
votes
1answer
549 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 ...
8
votes
2answers
804 views

How do I plot my country map with weather data stations?

I've tried this code, but I can't plot the coordinates in my country map. ...
5
votes
1answer
219 views

Inaccurate Heliocentric coordinates of PlanetaryMoonData

I have noticed that the heliocentric coordinates obtained with PlanetaryMoonData are very inaccurate. Fore example, consider the Galilean moons of Jupiter: ...
6
votes
1answer
155 views

List of neighbor counties for all counties in a State

If I want to find a list of neighboring countries for a particular list of countries I can do : ...
4
votes
1answer
258 views

Access curated or locally stored data with curated data functions?

Say I have a toy package, something like: ...
4
votes
4answers
547 views

How to get the US population for every year Wolfram has data on?

I know I can use Ctrl = us population to get an estimate for the current US population. I also know == us pollution ...
4
votes
1answer
74 views

Custom curated data function for multiple datasets

I have a bunch of curated data that I can't practically distribute as a single curated function, but I don't really want to pass it around as a bunch of paclets as it's really all just one big dataset....
8
votes
2answers
549 views

How to set the timeout value for *Data functions

I haven't measured this precisely but it seems the default timeout value for retrieving EntityValues with *Data functions is in ...
7
votes
0answers
155 views

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

I'm probably misunderstanding something, but: ...
6
votes
3answers
1k 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? ...
5
votes
1answer
163 views

What has changed in PolyhedronData in V11

As we saw in: Demonstration site CDF error correction question PolyhedronData has changed. I've failed to find any information about how the syntax changed in V11....
2
votes
1answer
247 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 ...
0
votes
1answer
661 views

Using LatticeData to fill a space with spheres in a face-centered cubic (fcc) lattice packing arrangement

I have a large sphere of radius $R_1$ which I would like to pack with $N$ smaller radius of radius $r_2<R_1$ arranged in a face-centered cubic (fcc) packing arrangement (i.e. Kepler's optimal ...
22
votes
2answers
3k views

Weather Maps with Mathematica

I've been trying to set up a weather map with Mathematica similar to what NOAA publishes in their website. So far I've been successful to bring the data over and extend it across the whole picture ...
11
votes
1answer
2k views

How to combine more locations (GPS coordinates inside one city) with Google map?

I have a list of GPS coordinates.E.g. GPSList = {{47.680800, 17.626446}, {47.681078, 17.627283}, {47.682759, 17.631810}}; I would like to crate a Google Map ...
6
votes
2answers
558 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, ...