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28 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?
3
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0answers
555 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: ...
2
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2answers
802 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 ...
2
votes
3answers
265 views

Median household income for each county in Maryland

I found that Wolfram|Alpha knows the median household income for every county in the US. I wanted to get a list of all counties in Maryland, and the median income in each county. The only way I could ...
2
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2answers
137 views
2
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1answer
84 views

Improving tab view for knots

This code: ...
2
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2answers
106 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 ...
2
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1answer
97 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
113 views

How to program a clickPanel for chemical elements (like a periodic table)?

The command ColorData["Atoms", "Panel"] indicates RGBColors of "Atoms" by clicking a panel. As I don't want to reinvent the wheel, I asked myself: How to ...
2
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2answers
327 views

City/Country Names by GeoLocation

How do I get the city and country names from the output of FindGeoLocation[] {lat, long} ?
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1answer
503 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
78 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
132 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
111 views

Mean of Date variable data

I have hourly registered data as : ...
2
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1answer
187 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
474 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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2answers
127 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: ...
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0answers
62 views

Is FinancialData for India available? [duplicate]

FinancialData["IndiaNSE", "Members"] // Shallow gives ...
1
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3answers
113 views

DateListPlot input entry problem

I imported some data from Excel and got the following for my date and values: {{{1986, 1, 2, 0, 0, 0.}, 25.56, ""}, {{1986, 1, 3, 0, 0, 0.}, 26., ""} It seems ...
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4answers
126 views

Repeating rows in a Grid [closed]

I am writing a function which would automatically add rows in a Grid[], repeating a function until a desired variable is reached. I'm unsure if another method can ...
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2answers
90 views

Missing something in my input for CountryData dependencies

I'm trying to find (a)which countries have dependencies (b)and a list of countries that consider themselves dependencies (c)and a list of countries that don't consider themselves dependencies. ...
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1answer
816 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 ...
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1answer
155 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 ...
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2answers
172 views

Indicating the probability that a weather datum is above/below some given value on a geographic map

With help of the previous questions here, I am analyzing weather data as daily MeanWindSpeed of some cities with the following code: ...
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1answer
86 views

Missing elements using FinancialData

I have a list of stock symbols which I selected with FinancialData["Menbers"] that looks like the following list: ...
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1answer
62 views

Why does WordData fail to find “PartsOfSpeech” when given a list of two words?

I have the following sample code. StringSplit["a test string", " "] Thread[WordData[%, "PartsOfSpeech"]] The output I get is: ...
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1answer
190 views

Combining solar system planets orbits and positions in Graphics3D and Show

I am building an animated model of the solar system, where I would like to display the OrbitPaths of the planets along with their ...
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2answers
201 views

How do I find the most populous cities in the world?

I am attempting to plot the most populous cities on a world map. Currently, I have the line of code: ...
1
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1answer
141 views

WeatherData acquirement in ListStreamPlot

I am trying to show the wind streams in a geographic area as following code for a range of time.Even if it works for realtime data but it doesn't work for range of time.I am filtering and also taking ...
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1answer
73 views

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

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

FRED api reports all data in given month with same date

When I use the FRED package to retrieve weekly data, all of the data points for a given month have the date as the last day of the month instead of the date for the week of the data. ...
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1answer
92 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. ...
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1answer
115 views

How to get matching starting dates for different `FinancialData` properties? [closed]

Why do the "Return" and "Volume" outputs of FinancialData differ? Consider the following ...
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2answers
127 views

Computing lists using AstronomicalData

Edit: Initially in my question I asked how I could search the database of AstronomicalData["Exoplanets"] and return 2 filtered values that only contained valued ...
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1answer
125 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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1answer
56 views

Accessing chemical property data for specific conditions?

There is a wealth of data for various chemicals available through Mathematica. For instance: ...
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1answer
62 views

What is the URL of the site used by ExampleData?

When ExampleData is evaluated, Mathematica downloads data from a Wolfram Research Data server. What's the exact domain of this, though? I bet it's ...
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0answers
133 views

Failure of CountryData due to connectivity?

Today I started researching the "Four colours theorem" and to do so I need data, regions for example. I tried using the following line: ...
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0answers
163 views

Why is CountryData function failing?

I am unable to get the CountryData function to work. I have tried FinancialData, CityData, ...
0
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1answer
98 views

AstronomicalData not including units?

I like using mathematica to do my physics homework, and AstronomicalData is useful for that, but it doesn't seem to work properly with units. [the question is, at ...
0
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3answers
57 views

Delete nested lists with Missing[“NotAvailable”] [duplicate]

I have a list of stock symbols and related information containing some entries Missing["NotAvailable"]. I would like to delete all nested lists which contain a ...
0
votes
1answer
82 views

What's wrong with my implementation on CountryData

I was wondering, *for which countries is the proportion of Phone line users to population greater than or equal to that of the United States?* This is what I inputted below, but the list of countries ...
0
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1answer
348 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 ...
0
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1answer
178 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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1answer
130 views
0
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1answer
162 views

Problem with ListContourPlot feeding data format and WeatherData

With following code I am trying to show the mean wind speed patterns for a few geographic locations. ...
0
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1answer
941 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 ...
0
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1answer
77 views

CountryData fails for some tags and properties

I'm using Mathematica 10.0.2 for Mac, and for the first time just tried CountryData. Executing the first example in the documentation of ...
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0answers
51 views

How to access data from WHO Mortality Database

How to do I access the online data from the WHO Mortality Database, which is free to download. What are the Mathematica specific commands to directly load the xls file that can be obtained from this ...
0
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0answers
70 views

A list of cities in a time zone meeting a specified criterion

Is there a way to get Mathematica V9 or Wolfram|Alpha, given a city as input (e.g., "Urbana Champaign, IL"), to return a list of cities that fall in a time zone ...