1881 search results for "Tutorial"

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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Philippine Infographic: Recapitulation on Incidents Involving Motorcycle Riding in Tandem Criminals for 2011-2013

February 18, 2015
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Philippine Infographic: Recapitulation on Incidents Involving Motorcycle Riding in Tandem Criminals for 2011-2013

The Philippine government has launched Open Data Philippines (data.gov.ph) last year, January 16, 2014. Accordingly, the data.gov.ph aims to make national government data searchable, accessible, and useful, with the help of the different agencies of go...

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Introduction to OpenCPU for R on EC2 with Python

February 15, 2015
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Introduction to OpenCPU for R on EC2 with Python

OpenCPU is (simply put) a server implementing a RESTful web API for remotely executing R functions and retrieving results. In this tutorial I am going to showcase how OpenCPU can be installed on an EC2 instance running Ubuntu 14.04. Python and … Continue reading →

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