1799 search results for "tutorial"

How to Speak Data Science

March 4, 2015
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How to Speak Data Science

Data Science has its own language. So, if you want to have at least a slight chance of surviving in the enterprise world of tomorrow -with its obsessive focus on collecting and analyzing data- you better have started yesterday with learning this terminology. Luckily, and inspired by the “How To Speak Startup” article on TechCrunch, The post

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drat 0.0.2: Improved Support for Lightweight R Repositories

March 1, 2015
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A few weeks ago we introduced the drat package. Its name stands for drat R Archive Template, and it helps with easy-to-create and easy-to-use repositories for R packages. Two early blog posts describe drat: First Steps Towards Lightweight Repositorie...

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Book Review: Mastering Scientific Computing with R

February 28, 2015
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Book Review:  Mastering Scientific Computing with R

PACKT marketing guys again contact me to review their new book Mastering Scientific Computing with R.  The book 432 pages (including covers) book is consist of 10 chapters which starts from basic R and ends with advanced data management. However, ...

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R: How to Layout and Design an Infographic

February 26, 2015
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R: How to Layout and Design an Infographic

As promised from my recent article, here's my tutorial on how to layout and design an infographic in R. This article will serve as a template for more infographic design that I plan to share on future posts. Hence, we will go through the following sect...

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Using Hadoop Streaming API to perform a word count job in R and C++

February 25, 2015
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by Marek Gagolewski, Maciej Bartoszuk, Anna Cena, and Jan Lasek (Rexamine). Introduction In a recent blog post we explained how we managed to set up a working Hadoop environment on a few CentOS7 machines. To test the installation, let’s play…Read more ›

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Monitoring progress of a foreach parallel job

February 24, 2015
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Monitoring progress of a foreach parallel job

by Andrie de Vries R has strong support for parallel programming, both in base R and additional CRAN packages. For example, we have previously written about foreach and parallel programming in the articles Tutorial: Parallel programming with foreach and Intro to Parallel Random Number Generation with RevoScaleR. The foreach package provides simple looping constructs in R, similar to lapply()...

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Launching DataScience.Vegas Blog

February 23, 2015
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We are glad to announce the launch of DataScience.Vegas as a blog that aggregates all the events, news and information impacting the Las Vegas data science community. Our community has witnessed the birth and steady growth of several data science meetup groups with a very enthusiastic group of devoted members. We are a community of data scientists, data miners, statisticians, data...

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using the httr package to retrieve data from apis in R

February 20, 2015
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For a project I’m working on, I needed to access residential electricity rates and associated coordinate information (lat/long) for locations in the US. After a little searching, I found that data.gov offers the rate information in two forms: a static list of approximate rates by region and an API, which returns annual average utility rates ($/kWH) for residential, commercial,...

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Part 2: Data Preparation

February 20, 2015
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In Part 1 I have introduced the weather data set we will be using in this series of tutorials. We are now going to have the data prepared for the subsequent EDA. We will recode and transform variables, change their types, and perform some basic data ch...

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Launching our R Training Path

February 20, 2015
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Launching our R Training Path

Become a proficient R user in no time via DataCamp’s newly launched guided R Training Path! We’re very excited to announce that we have just launched the R Training Path! This guided training path will take you from getting to know R, the leading open-source programming language in statistics and data science, over manipulation and The post

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