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Questions tagged [data-mining]

Data mining is the process of analyzing data from different perspectives and summarizing it into useful information.

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2answers
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what is the message “P.S We are running a small javascript miner…” on blogspot

I have created a blog to share some important question and answers with my friends. But when I open the blogspot link on edge browser it shows some abnormal behavior like computer becoming very slow. ...
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0answers
25 views

My computer is infected from mining virus and giving me Windows script host error [duplicate]

The first error that I have got was Windows Script Host error described as C:\Windows\xdgaudio.vbs When I have located to the file the content was Dim WShell Set WShell = CreateObject("WScript....
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1answer
519 views

Page faults, strange memory behavior and page files - particularly but not specifically in R

I should say from the start, I am aware that I could probably do with some more RAM as I'm currently running RStudio on Windows 10 with 4GB of RAM installed. Neither is the post necessarily solely ...
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0answers
45 views

Excel data extractation remove words from cells and replace in another cell

I have data in a column called "company" it lists 3000 companies along with the company type - whether it is LLC, LP, Corp, etc. The format is like this: Microsoft_LLC_LLC. I want to remove the LLC ...
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1answer
1k views

Extract all text of specific font from MS Word document?

I have converted a PDF document to word format. The PDF is an issue of a magazine. I need all of the text that is a certain font, and either 9.5 or 10 point. Those are the contents of the articles, ...
2
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2answers
37 views

Is there any way to download the values of a public DB (ASP.NET) to hard drive?

I'm a social science researcher, and I'm working with data from various public databases of NGO, government, etc. Let's assume that I've got no opportunity to ask the admins for the whole database. ...
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0answers
227 views

Excel - How to calculate attrition over large database

I am analyzing a large database where I need to figure out how many customers bought the product more than once and determine how long they "lasted" as customers. My data set starts in Jan 2014 and ...
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1answer
204 views

Extract html text files to text file

I have a folder with lot of html files, I would like to extract only the text contained in the body of this html to a txt file, how can I do that ?
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1answer
588 views

Can't connect to mysql server from WEKA tool

I need to connect mysql server from my WEKA tool for analysis some of the data. How can i make this connection in Linux platform. I decide to use jdbc driver for this but setting up the environment ...
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2answers
810 views

How can I scrape only word data from a website? [duplicate]

I want to download all the word content from a particular website. Save the results in MS Word, Excel or Notepad and check which words are repeated most often and how many times.
1
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1answer
2k views

Is keeping cpu on %100 is dangerous? [duplicate]

I'm a bitcoin miner and my pc unfortunately doesn't support gpu mining (keeps crashing my drivers) so I use cpu mining. However, is keeping my cpu on %100 dangerous? I have a dell inspiron 3542 with ...
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1answer
790 views

Hierarchical data structure in pivot - blank rows

I have a data set with a structure in style of: Fruit Type Organic Sales Banana 15 Apple Green Apple Organic 20 Apple Red Apple ...
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0answers
5k views

Cannot import CSV file to WEKA

I got a very large data set from a access log.I converted it to CSV file using 'Vim'.I want to use "WEKA"(Data mining tool) to analyse this data set.But when i try to open this CSV file it gives me an ...
2
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2answers
12k views

How can I scrape specific data from a website

I'm trying to scrape data from a website for research. The urls are nicely organized in an example.com/x format, with x as an ascending number and all of the pages are structured in the same way. I ...
1
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1answer
383 views

API/Tool for mining unstructured text? [closed]

I wish to create a concepts map from unstructured text. For example Desired input: find "/" -name "*.txt" Desired output: concepts-graph.dot In other words, I want to mine my text files and create ...
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3answers
235 views

How to search and copy all the strings beginning with ( “http://www.” ) on a particular website (1000 pages)?

I am looking for links (not urls of pages) written in job postings on a particular website. I would like to scan the website and copy all strings beginning with http or www on ALL the pages (about ...