496 search results for "hadoop"

Most popular R packages and R package dependency visualization.

August 26, 2015
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Most popular R packages and R package dependency visualization.

Author and Project: – Author: XAVIER CAPDEPON – Xavier was a student of the Data Science Bootcamp#2 (B002) – Data Science, Data Mining and Machine Learning –

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How R is used at Zillow to estimate housing values

August 24, 2015
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Zillow, the leading real estate and rental marketplace in the USA, uses R to estimate housing values. Zillow's signature product is the Zestimate, their estimated market value for individual homes, and it's calculated using R in a parallel batch job for 100 million homes nationwide. The process is described in this Slideshare presentation Data Science At Zillow by Nicholas...

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In case you missed it: July 2015 roundup

August 10, 2015
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In case you missed them, here are some articles from July of particular interest to R users. An alternative to stacked bar charts with the streamgraphs package. Joseph Rickert shares his process for creating the monthly new and updated packages "spotlight" feature on MRAN. Using R to analyze data from its API reveals R to be the 8th most...

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partools: a Sensible R Package for Large Data Sets

August 5, 2015
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partools: a Sensible R Package for Large Data Sets

As I mentioned recently, the new, greatly extended version of my partools package is now on CRAN. (The current version on CRAN is 1.1.3, whereas at the time of my previous announcement it was only 1.1.1. Note that Unix is NOT required.) It is my contention that for most R users who work with large … Continue reading...

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Getting Started: Adobe Analytics Clickstream Data Feed

August 4, 2015
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Getting Started: Adobe Analytics Clickstream Data Feed

“Well, first you need a TMS and a three-tiered data layer, then some jQuery with a node backend to inject customer data into the page asynchronously if you want to avoid cookie-based limitations with cross-domain tracking and be Internet Explorer 4 compatible…” Blah Blah Blah. There’s a whole cottage industry around jargon-ing each other to

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Airline Performance Comparison with R/Shiny

August 2, 2015
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Airline Performance Comparison with R/Shiny

Open R shiny App from a new window here! Play with the App here: In this project I set out to build an interactive app to

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Predict Social Network Influence with R and H2O Ensemble Learning

July 29, 2015
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Predict Social Network Influence with R and H2O Ensemble Learning

What is H2O? H2O is an awesome machine learning framework. It is really great for data scientists and business analysts “who need scalable and fast machine learning”. H2O is completely open source and what makes it important is that works right of the box. There seems to be no easier way to start with scalable The post

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Installing and Starting SparkR Locally on Windows OS and RStudio

July 26, 2015
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Installing and Starting SparkR Locally on Windows OS and RStudio

Introduction With the recent release of Apache Spark 1.4.1 on July 15th, 2015, I wanted to write a step-by-step guide to help new users get up and running with SparkR locally on a Windows machine using command shell and RStudio. SparkR provides an R frontend to Apache Spark and using Spark’s distributed computation engine allows…

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Installing and Starting SparkR Locally on Windows OS and RStudio

July 26, 2015
By
Installing and Starting SparkR Locally on Windows OS and RStudio

Introduction With the recent release of Apache Spark 1.4.1 on July 15th, 2015, I wanted to write a step-by-step guide to help new users get up and running with SparkR locally on a Windows machine using command shell and RStudio. SparkR provides an R frontend to Apache Spark and using Spark’s distributed computation engine allows

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CACM Highlights R

July 23, 2015
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CACM Highlights R

The Association for Computing Machinery is the main professional organization for computer science, largely for academia but still with a broad membership. ACM publishes a number of journals, most of them for research but its flagship publication is a magazine, the Communications of the ACM. The current issue of the CACM includes an article, “Bringing … Continue reading...

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