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June 2013 Blog Posts (28)

Hello, BigData World !

Hello, everybody,

    I am excited to find this nice website. I'm an engineer focusing on BigData ( Hadoop/Hive/HBase/Spark/Shark etc) . I found a lot of resource in this website. I'd like to learn more and share with others here.

Added by Zhu Guangbin on June 28, 2013 at 8:38pm — No Comments

How do school ratings correlate with home prices?

This could be a good project in connection with our data science apprenticeship. Two websites, GreatSchools.org and Zillow.com provide two great indicators: school scores for more than 100,000 schools…

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Added by Vincent Granville on June 28, 2013 at 8:00pm — No Comments

R in your browser

Note: The domain RonCloud.com seems dead now. Read the comment section below for alternatives.

You have to see it to believe it. Go to roncloud.com and you can enter R commands in the browser-embedded console. Wondering how easy it would be…

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Added by Mirko Krivanek on June 28, 2013 at 7:30am — 18 Comments

Weekly digest - July 1

Sponsored Announcement

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Added by Vincent Granville on June 27, 2013 at 10:00am — No Comments

Kool Captcha, a Next generation Captcha which truly unleashes the power of Captchas and does advertising, analytics and Entertainment.

New Genres of Captcha have arrived which truly unleash the power of Captchas. These Captchas enables powerful Advertising via 3D and Video Captchas. Also, Captchas can be used for analytics and sentiment Analysis in wide range of domains such as Advertisements, News, Art, Places, Movies and Sports. Measure the effectiveness of your ads via Sentiment Analysis to predict your advertising results! All that effort on branding, messages, and color schemes can finally be validated! These…

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Added by Suhas Aggarwal on June 20, 2013 at 1:51am — No Comments

Data Science and Predictive Analytics Strategy for Marketing

By developing a data science and predictive analytics strategy for marketing, organizations identify their most profitable…
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Added by Michael Walker on June 19, 2013 at 9:39am — No Comments

SparkGrams: compact in-spreadsheet histograms

My new blog post on what I coined as "sparkgrams".  Included is an implementation in YUI3 for custom website presentations of data, but I wish R and iPython Notebook had similar functionality.

http://technicaltidbit.blogspot.com/2013/06/histogram-thumbnails-inside-yui3-data.html

Added by Michael Malak on June 18, 2013 at 5:17am — No Comments

Are you a geek or a nerd?

Or something else. I could not resist to post this chart:

Source: http://slackprop.files.wordpress.com/2013/06/geeknerd-plot-01.png…

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Added by Mirko Krivanek on June 17, 2013 at 7:37pm — 5 Comments

Data’s Beauty: In the Eye of the Beholder

How can organizations use data visualization, visual analytics, and visual data discovery to improve decision-making, collaboration, and operational execution? We present three key insights from the latest TDWI research.

Guest blog by …

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Added by Vincent Granville on June 17, 2013 at 3:30pm — 1 Comment

Big Data & Associative Technology (the future)

Hello

Imagine being able to do anything your mind can imagine, well now it can..

The 6th Normal Form is not a TERM.. it is a GOAL.. the "holy Grail" if you will of data management and more importantly "Information" management.. Imagine being able to Store IDEAS as opposed to disconnected bits of data..



A brief "INCORRECT" comment on WIKI.. "A relvar R [table] is in sixth normal form (abbreviated…

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Added by Jean Michel LeTennier on June 16, 2013 at 5:18am — 2 Comments

Hadoop and Perl

Interesting topic posted by InfiniteLoop on PerlMonks, back in 2008!

This having been a boring week, I was catching up on http://hadoop.apache.org. A brief Google search for Perl interface(s) to…
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Added by Vincent Granville on June 15, 2013 at 3:30pm — No Comments

Big Data: Next Best Offer

Next-best offer refers to the use of predictive analytics solutions to identify the products or services your customers are most likely to be interested in for their next purchase.

 

Facing this topic I have made a personal research, and realize a synthesis, which has helped me to clarify some ideas. The attached presentation does not intend to be exhaustive on the subject, but could perhaps bring you some useful insights:…

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Added by Michel Bruley on June 14, 2013 at 3:22am — No Comments

Privacy vs. Security and Data Science

"They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." – Benjamin Franklin…

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Added by Michael Walker on June 12, 2013 at 3:30pm — No Comments

Weekly Digest - June 17

Featured Articles

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Added by Vincent Granville on June 12, 2013 at 12:00pm — No Comments

Which is the best software to build a data mart

I have two databases on Microsoft SQL Server (daily business activities performed) and also on peachtree and on orange human resources software. I want to build a data warehouse with this databases available. My questions are:

i. Where can I integrate all these databases together

ii. After I integrate, how can I mine this data?

iii. What is the best software to use and mine this data?

iv. Can combining all these databases produce insight…

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Added by Adetula Oluwabunmi on June 12, 2013 at 4:51am — No Comments

The NSA data privacy scandal: a different point of view

There's a lot of talk these days about how governments use all the data they can put their hands on, to monitor every individual in the world. Capabilities offered by big data storage and analytic processing are immense, when in the hands of professional, capable data scientists.  Last week the National Security Agency was under the spotlight, a month ago it was the IRS (Income Revenue Service) for a biased auditing …

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Added by Mirko Krivanek on June 11, 2013 at 8:30pm — 10 Comments

Data storage “The suspended data grid”

Nowadays we hear a lot about big data, cloud, or the big data analytics on cloud. One of the underlying needs here is the data storage. It is stored as 0’s and 1’s in some datacenters. It isn’t cheap to maintain all of this data. Looking at the heat generated by these datacenters, it isn’t even environment friendly.

Can this data be really in the clouds? (The real clouds formed in the sky) :)

In India we have heard about Rishi’s who used to sit under a tree and meditate for…

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Added by Shinto Paul on June 11, 2013 at 8:30pm — No Comments

Want to predict human behavior? Use these 6 lessons based on data from 10 million households

Guest post by . First published June 6, 2013, in Opower.

Over the past couple of years,…

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Added by Vincent Granville on June 11, 2013 at 1:19pm — 2 Comments

Data Science and Perspectives

There are two major perspectives of Data Science we can look at:

- Consumer/User Perspective

- Data Scientist’s Perspective

This article explores these two areas to ponder upon in little more depth.

- Consumer/User Perspective (User will not like “noise”)

A single user/consumer might need some analysis to either start some study or make some decisions. This single user might be a CIO/CTO or perhaps we can also say that this single user is a group of decision…

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Added by Atif Farid Mohammad on June 11, 2013 at 10:40am — No Comments

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