Rangarajan Vasudevan

38 Added | 2 Magazines | 5 Following | 2 Followers | @RangaVasudevan | Founder at The Data Team (www.thedatateam.in)

Starting data analysis/wrangling with R: Things I wish I'd been told

October 14, 2014, [MD]<p>R is a very powerful open source environment for data analysis, statistics and graphing, with thousands of packages available. …

Data Science

The Open Source Data Science Masters by datasciencemasters

Classic academic conduits aren't providing Data Scientists -- this talent gap will be closed differently.<p><b>Academic credentials are important but not</b> …

Data Science

Jeff Hawkins Lecture: Brains, Data, Machine Intelligence & Cortical Learning

“Brains, Data, Machine Intelligence & Cortical Learning” is the title of a lecture given by Hawkins earlier this year. He covers sparse distributed …

Machine Learning

Before the Startup

<b>Want to start a startup?</b> Get funded by Y Combinator.<p>October 2014<p><i>(This essay is derived from a guest lecture in Sam Altman's startup class at</i> …

Field of Study Explorer - Data Insights for Students | LinkedIn Engineering

We believe the college decision process is not as data-driven as it can be, and we want to change that. Millions of professionals around the world …

Getting Started with Deep Learning and Python

By onSeptember 22, 2014 in Deep Learning, Tutorials<p><b>Update – January 27, 2015:</b> Based on the feedback from commenters, I have updated the source code …

Comment on 204 Startup Failure Post-Mortems by Raj Anand

Everybody knows why badly managed businesses fail. What’s more interesting, is how companies like Yahoo, Myspace, and Dell seemed to do everything …

Innovation

How to use technology to compete with startups like Alibaba?

<b>Alibaba is a Technology Driven Business challanging traditional corporates in ASEAN/rest of world and competing with it requires a change of</b> …

TopK on Apache Tez

The Apache Tez community draw attention last week with their latest release 0.5.0 of the application framework. At SequenceIQ we always try to find …

AI For Everyone: Startups Democratize Deep Learning So Google And Facebook Don't Own It All

When I arrived at a Stanford University auditorium Tuesday night for what I thought would be a pretty nerdy panel on deep learning, a fast-growing branch of artificial intelligence, I figured I must be in the wrong place–maybe a different event for all the new Stanford students and their parents …

Neural networks and deep learning

Sponsors<p>Resources<p>One of the most striking facts about neural networks is that they can compute any function at all. That is, suppose someone hands …

Deep Learning

AI expert predicts half of web searches will soon be speech and images

SAN FRANCISCO — Here in the U.S., we like our Google search box. We type into it almost without thinking, and we revise our searches again and again. It feels natural.<p>But in the future, we might depend on additional interfaces to find information on the Internet, namely by speaking and by taking …

Comparing machine learning models in R

by Joseph Rickert<p>While preparing for the DataWeek R Bootcamp that I conducted this week I came across the following gem. This code, based directly on …

Novetta Identity Analytics now on HDP

Novetta Entity Analytics now on HDP<p><i>Novetta is a new Hortonworks Technology Partner and recently achieved HDP 2.1 Certification and YARN Ready status.</i> …

Google has open sourced a tool for inferring cause from correlations

Advertisement<p>2 Comments<p>Credit: Shutterstock / Sergey Nivens<p>Google announced on Tuesday a new open source tool that can help data analysts decide if …

How-to: Translate from MapReduce to Apache Spark

<b>The key to getting the most out of Spark is to understand the differences between its RDD API and the original Mapper and Reducer API.</b><p>Venerable …

Most Viewed Data Mining Talks at Videolectures

By Grant Marshall, Sept 2014<p>Today, we look at the top 25 most viewed data mining lectures on videolectures.net<p>The videos are taken from the most …

Space: Next Big Data Frontier?

Relaxed regulations and greater affordability soon could fill the skies with satellites put there to collect images and other data for businesses …

Business Technology

Building a deeper understanding of images

Posted by Christian Szegedy, Software Engineer The ImageNet large-scale visual recognition challenge ( ILSVRC ) is the largest academic ch...

[1409.0575] ImageNet Large Scale Visual Recognition Challenge

Computer Science > Computer Vision and Pattern Recognition<p>Title: ImageNet Large Scale Visual Recognition Challenge<p>Abstract: The ImageNet Large Scale …

Deep Learning

Top Three Big Data Myths: Debunked

A yottabyte equals 1 trillion terabytes (the largest data metric that most commonly used today). That's not just big data, it's really big data, and …

Building Lambda Architecture with Spark Streaming

First, we wrote a function to implement business logic. In this example, we want to count the number of errors per day in a collection of log events. …

Bayesian Machine Learning on Apache Spark

<b>Markov Chain Monte Carlo methods are another example of useful statistical computation for Big Data that is capably enabled by Apache Spark.</b>During my …

Machine Learning and Hadoop- How One of the Most Widely Used Big Data Technologies Has Evolved

It’s safe to say that at the present moment, machine learning is big news. In the past week, we’ve seen Tumblr getting in the game, Google making …

As a16z turns 5, listen to Marc Andreessen and Ben Horowitz "explain everything"

As venture capital firm Andreessen Horowitz* turns five years old this summer, its founding members Marc Andreessen and Ben Horowitz have posted a …

Venture Capital

Researchers get access to behavioral data from Reddit, Imgur and Twitch via the DERP consortium

Advertisement<p>1 Comment<p>Credit: Thinkstock / Shironosov<p>Whatever outsiders may think of online communities like Reddit, Imgur or Twitch — the video-game …

Internet

How Watson Changed IBM

Remember when IBM’s “Watson” computer competed on the TV game show “Jeopardy” and won? Most people probably thought “Wow, that’s cool,” or perhaps were briefly reminded of the legend of John Henry and the ongoing contest between man and machine. Beyond the media splash it caused, though, the event …

With Enlitic, a veteran data scientist plans to fight disease using deep learning

Advertisement<p>1 Comment<p>Credit: Praisaeng/Shuterstock<p>It was about a year ago when I realized, perhaps for the first time, just how prevalent deep …