232 search results for "web scraping"

Online R courses at Udemy – for only $10 (“New Year Deal”) until Nov 11th

January 8, 2016
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tl;dr: $10 new year deal at Udemy – until the Jan 11 2016. For the next 9 days (until 2016-01-11), Udemy is offering readers of R-bloggers access to its global online learning marketplace with a (special) $10 (up to 97% off) deal on hundreds of their courses (including many R-Programming, data science, machine learning etc.) Click here to browse ALL (R and non-R) courses...

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String manipulations on full names

This note shows how to use the stringr package to clean a list of full names that need to be turned into unique identifiers, i.e. something that can be assigned as row names to a data frame. Example Let’s start by getting a list of real names by scraping the 183 full names of the people currently sitting in...

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Sentiment Analysis on Donald Trump using R and Tableau

January 2, 2016
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Sentiment Analysis on Donald Trump using R and Tableau

Recently, the presidential candidate Donal Trump has become controversial. Particularly, associated with his provocative call to temporarily bar Muslims from entering the US, he has faced strong criticism. Some of the many uses of social media analytics is sentiment analysis where we evaluate whether posts on a specific issue are positive or negative. We can

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Integrating Python and R Part III: An Extended Example

December 18, 2015
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By Chris Musselle This is the third post in a three part series where I have explored the options available for including both R and Python in a data analysis pipeline. See post one for some reasons on why you … Continue reading →

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R tutorials

December 10, 2015
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There are tons of resources to help you learn the different aspects of R, and as a beginner this can be overwhelming. It’s also a dynamic language and rapidly changing, so it’s important to keep up with the latest tools and technologies. That’s why R-bloggers and DataCamp have worked together to bring you a learning path for R. Each section...

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Fun with advanced NBA stats-how to collect data

December 5, 2015
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Fun with advanced NBA stats-how to collect data

Ever since NBA introduced advanced data to track player on-court movement, there have been a lot of interesting blogs/news articles to show how data could improve the understanding (or destroy your intuition) of the game. Reading them is a lot of fun. Here is one example. The newly introduce metric called KOBE measures how difficult a shot is. A more recent article on http://fivethirtyeight.com/ praises...

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Bon Appetit: A restaurant recommender for tourists visiting the Netherlands

December 4, 2015
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Bon Appetit: A restaurant recommender for tourists visiting the Netherlands

Introduction More and more tourists are visiting The Netherlands, this will become very clear if you walk through the center of Amsterdam on a sunny day. All those tourists need to eat somewhere, in some restaurant. You can see their … Continue reading →

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Last day – online R courses at Udemy – for $15 only

November 26, 2015
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tl;dr: Black Friday $15 Udemy Deal – (until Friday 27th) For the next 24 hours, Udemy is offering readers of R-bloggers access to its global online learning marketplace with a (special) $15 (up to 98% off) deal on over 17,000 of their courses (including R-Programming, data science, machine learning etc.). After the 19th, the deal schedule (per course) is as follows: 11/18 –...

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What the candidates say, analyzing republican debates using R

November 26, 2015
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What the candidates say, analyzing republican debates using R

As most people realize, this is probably one of the most data-rich primary campaigns in history, with hundreds of professional pollsters poring over every data-point trying to understand voter’s intention. So here is another data-rich post to that end. I was glad to discover the University of California at Santa Barbara’s webpage with tons of high-quality data related to the...

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Deaths from assault over time in 40 relatively rich countries

November 25, 2015
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Deaths from assault over time in 40 relatively rich countries

Deaths from assault A friend was looking at comparative data on violent deaths in a range of countries and I couldn’t resist the chance to turn out some graphics. The data come from the OECD, who compiles them from contributions by member and associated country governments - effectively, wealthier countries - and makes them available via a web...

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