Questions tagged [data-acquisition]
Questions on the use of Mathematica to capture data from external sources.
22
questions with no upvoted or accepted answers
6
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0
answers
179
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Connecting to Twitter API Manually in Mathematica to Pull Down All Followers of a Specified User (e.g. More than 5,000)
I have been going through old StackExchange threads to see how to potentially use Mathematica's built-in connection/authentication to the Twitter API to connect to it manually, and access some ...
- 81
6
votes
0
answers
184
views
How to deal with WebServices error "any is not supported in sequence"?
I am trying to aquire data through Mathematica's WebServices and this example works just fine:
...
- 1,995
4
votes
0
answers
397
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How can I import from a usb webcam on the raspberry pi?
I'm trying to set up a raspberry pi as a webcam server and I need to import images into a Mathematica notebook on the raspberry pi. I tried using CurrentImage[] ...
- 173
4
votes
0
answers
275
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Using data from multiple cameras
ImageCapture[] has an option Device-> for specifying which camera to use, but ...
- 141
3
votes
0
answers
191
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How do I get my ZWO ASI120MM astro-camera to work in MMA?
I am using Windows 10 + MMA 10.4.1. I bought a ZWO ASI120MM astro camera which I want to use as a guiding camera during astrophotography. From this site (http://astronomy-imaging-camera.com/software/) ...
- 31
2
votes
0
answers
90
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How can I import datasets from TensorFlow datasets into mathematica?
TensorFlow datasets are available at https://www.tensorflow.org/datasets. I wonder if there's a way to directly import any of those datasets directly into Mathematica 12.
I tried
...
- 729
2
votes
0
answers
116
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BlockchainBlockData request limit exceeded
I'm trying to replicate this Blog entry on Bitcoin queries:
https://blog.wolfram.com/2021/05/25/sleuthing-darkside-crypto-ransom-payments-with-the-wolfram-language/
However, I don't get very far ...
- 601
2
votes
0
answers
111
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Flight information data
I would like to write a program that automatically checks whether a given flight number is correct and the corresponding departure and arrival times.
Is there any function from the Wolfram Language ...
- 293
2
votes
0
answers
106
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List, Association, and Dataset, according to what principles to choose which one to use?
List, Association and Dataset are three 'objects' that can be used to store data in MMA. So ...
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1
vote
0
answers
29
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How can I use the WikipediaData function to extract certain section information for a list of url?
I am trying to extract data from a list of url for wikipedia articles. At first I tried parsing the HTML but it was hard to get the required data as the parsing had some problems and it was quite ...
- 33
1
vote
0
answers
56
views
URLRead not working at all
In MMA 13.0 on Mac (Intel silicon) MacSO 12.01
URLRead["https://google.de"]
yields:
...
- 165
1
vote
0
answers
81
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Import Infinite Scrolling Data
I'm trying to use Import to scrape historical data from Yahoo! finance (update: or any other website that uses infinite scrolling). The issue is that the webpage initially only shows 3 months of data ...
- 269
1
vote
0
answers
79
views
Microcontrollerembedcode unable to connect to Arduino Yun
Hi Mathematica enthusiasts,
I am trying to follow this tutorial off Wolfram reference for microcontrollers
Real Time Data Acquisition
I have an Arduino Yun Rev2 hooked up exactly as it is from the ...
- 23
1
vote
0
answers
93
views
Finding total Period length of dataset
I've been tasked with trying to do some analysis on some data. I've been given 50000 points of data, which were claimed to have been collected at a discrete period of $1 m s$ Going under this ...
- 2,921
1
vote
0
answers
78
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Wikipedia Edits History: how to split edit history and comments
I am trying to import Wikipedia Edit History. The code that I am using is the following:
...
- 11
1
vote
0
answers
37
views
Monitor and record ethernet port upload speeds
Can I use Mathematica to monitor and record ethernet port upload speeds?
I briefly looked at DeviceStream; not sure if that can be made to work or if that's the ...
- 11
0
votes
0
answers
55
views
scrape App Store web data
I want to scrape the privacy information of an app on the web store page.
For example, the Tiktok app information looks like this:
tiktok on us app store
I found that it's easy to scrape that ...
- 601
0
votes
0
answers
125
views
Scrape data from Google
my question is general.
I would like to search a term on Google and scrape all the results, including the dates of publishing, if there are.
I know that it is possible to scrape a website - following ...
- 207
0
votes
0
answers
188
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Extract data (digitise) from graph with various line formats
I am attempting to extract the data points from the graph below:
-axis titles and axis lines are removed for digitising simplicity-
I have tried using a range of graph digtisers (i.e. datathief, ...
- 1
0
votes
0
answers
605
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HTTPRequest and Verbose cURL (curl -vX ...)
Using CouchDB, Windows 10, M11.3
This curl command works fine at the command line,
curl -X PUT http://127.0.0.1:5984/dbName
and this works fine with
...
- 146
0
votes
0
answers
60
views
I want to perform mean of a set of data after importing these data from computer in mathematica. But unable. pls help
I have used the following code in mathematica to perform mean to set of data.
...
- 411
0
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0
answers
124
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Problems with Importing a pdf from an url
I have to process a lot of information from different pdf. I already have the code to download all the files, but i'm stuck in the part where i have to open the files with "Import".
For example:
http:...
- 153