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October 2015 Blog Posts (7)

Top hadoop interview questions

To build career as a Hadoop developer, one must be clear with Hadoop concepts and have a working knowledge of analysing data using MapReduce, Hive and Pig. Typical Hadoop interview questions include topics such as replication factor, node failures and distributed caching.

Here are some basic hadoop interview questions

  1. Define Sequence file in Hadoop?
  2. What is meant by Replication factor?
  3. List out the key components of HBase and tell when you…
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Added by John on October 22, 2015 at 9:30am — No Comments

Big Data = Hype; But Why That Doesn't Matter

Guest blog post by Bernard Marr

From time to time, you still come across someone with the opinion that Big Data is nothing more than a fad, which will be forgotten about soon enough.

You might not expect to hear this from me, but they’re actually right. Well – half right, at least!

As I’ve written before, I’m not actually a fan of the term “Big Data”, which puts overemphasis on the…

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Added by Andrei Macsin on October 20, 2015 at 3:59pm — No Comments

Basic recommendation engine using R

Originally posted here

In our day to day life, we come across a large number of Recommendation engines like Facebook Recommendation Engine for Friends’ suggestions, and suggestions of similar Like Pages, Youtube recommendation engine suggesting videos similar to our previous searches/preferences. In today’s blog post I will explain how to build a basic…
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Added by suresh kumar gorakala on October 13, 2015 at 6:30am — No Comments

Introduction to Logistic Regression with R

In my previous blog I have explained about linear regression. In today’s post I will explain about logistic regression. 

        Consider a scenario where we need to predict a medical condition of a patient (HBP) ,HAVE HIGH BP or NO HIGH BP, based on some observed symptoms – Age, weight, Issmoking, Systolic value, Diastolic value, RACE, etc.. In this…

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Added by suresh kumar gorakala on October 9, 2015 at 9:13am — No Comments

New Requirements for Performance Management Vendors

As companies sort out data management to facilitate analytics for better decision outcomes, they've got to optimize user experience. The ROI of these technology investments are correlated.

Legacy performance management solutions were architected for smaller, less-complex and static computing environments that did not…

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Added by Gabriel Lowy on October 6, 2015 at 9:10am — No Comments

How Big Data Drives Digital Marketing Success

digital

 

It’s the age of digital and we are all wired in. Smart phones, tablets, hundreds of television channels, thousands of apps, social media, and online shopping are part of our…

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Added by Michael Meyers on October 2, 2015 at 8:30am — No Comments

Benjamin Graham Meets Advanced Analytics

Benjamin Graham’s The Intelligent Investor is considered by many, including his disciple Warren Buffet, as the finest book ever written on the subject of investing.  At the heart of Graham’s thesis is the question, “Can investors uncover intrinsic value in specific securities if…

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Added by Gabriel Lowy on October 1, 2015 at 7:33am — No Comments

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