116 search results for "Web Scraping"

Interacting with bioinformatics webservers using R

September 8, 2011
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Interacting with bioinformatics webservers using R

In an ideal world, all bioinformatics tools would be made available via the Web as a web service with an API, as well as a standalone package to download for local use. This is rarely the case and sometimes, even where one or the other is available, factors such as cost come into play. So

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R Screen Scraping: 105 Counties of Election Data

February 18, 2011
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by Earl F. Glynn, Kansas Watchdog The goal of this article is to show how to visit 105 online web pages programmatically and “scrape” data from them to form a statewide summary of election data in Kansas. An earlier article gave details of ...

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Simple R Screen Scraping Example

February 18, 2011
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by Earl F. Glynn, Kansas Watchdog The goal of this exercise is to show how to “screen scrape” data from an online web page using R. Additional articles will extend this example to scrape data from 105 Kansas county pages to form a statewide...

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Scrape Web data using R

August 13, 2010
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Scrape Web data using R

Plenty of people have been scraping data from the web using R for a while now, but I just completed my first project and I wanted to share the code with you.  It was a little hard to work through some of the “issues”, but I had some great help from @DataJunkie on twitter. As

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Text Mining Gun Deaths Data

March 13, 2014
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Text Mining Gun Deaths Data

In this post I will explore public data being collected by Slate.  I previously released code using a much early set of this data demonstrating how to turn this data into an animated map.This data began collection as a public response to the horri...

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Better handling of JSON data in R?

March 13, 2014
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What is the best way to read data in JSON format into R? Though really common for almost all modern online applications, JSON is not every R user's best friend. After seeing the slides for my Web Scraping course, in which I somewhat arbitrarily veered between using the packages rjson and RJSONIO, the creator of a...

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Upcoming NYC R Programming Classes

March 10, 2014
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Upcoming NYC R Programming Classes

It is our pleasure to once again offer the intensive R beginner level course for the third time! Beginning this Sunday, the 35 hour course will walk you through the basic operations and characteristics of R, all the way to having a firm understanding of data manipulation and visualization. Also launching this weekend are two... Read more »

Introduction

February 1, 2014
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Through this blog I intend to work on some data analysis projects, publish the results here and get feedback from other data experts. I have exposure to R, Python, MATLAB and would be using suitable one of them based on needs. My interests range from W...

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Programming instrumental music from scratch

July 29, 2013
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Programming instrumental music from scratch

I recently posted about automatically making music. The algorithm that I made pulled out interesting sequences of music from existing songs and remixed them. While this worked reasonably well, it also didn’t have full control over the basics of the music; it wasn’t actually specifying which instruments to use, or what notes to play.Maybe I’m being...

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Programming instrumental music from scratch

July 29, 2013
By
Programming instrumental music from scratch

I recently posted about automatically making music. The algorithm that I made pulled out interesting sequences of music from existing songs and remixed them. While this worked reasonably well, it also didn't have full control over the basics of the music; it wasn't actually specifying which instruments to use, or what notes to play. Maybe I'm being a control...

Read more »