Subscribe to Dr. Granville's Weekly Digest

All Blog Posts (1,005)

Jigsaw Academy Brings to you a Webinar by Gramener, Titled ‘How to Monetize Your Data to Impact Your Organization’s Profitability’

Originally posted on PR Web.

Jigsaw Academy, the online school of analytics has partnered with Gramener, a data analytics and visualization company to conduct a webinar on 19th April 2014, which aims to explain how best to use your company’s data to improve it’s profitability. Read the full article …

Continue

Added by Gaurav Vohra on April 17, 2014 at 11:05pm — No Comments

The data science alphabet

Feel free to add you keywords. Here's a start:

The alphabet:

  • Algorithm (also: API, accountability)
  • Big data…
Continue

Added by Vincent Granville on April 17, 2014 at 6:30pm — 1 Comment

Employee Churn 201: Calculating Employee Value

Guest blog pst by Pasha Roberts, Chief Scientist, Talent Analytics @pasharoberts

Much has been written about customer churn - predicting who, when, and why customers will stop buying, and how (or…

Continue

Added by Vincent Granville on April 17, 2014 at 4:00pm — No Comments

Weekly digest - April 21

Sponsored Announcements

  • Predictive Analytics World, June 16-19 in Chicago is the business event for predictive analytics professionals, managers and commercial practitioners, covering today's commercial deployment of predictive analytics, across industries and across software vendors.…
Continue

Added by Vincent Granville on April 17, 2014 at 3:30pm — No Comments

esProc Helps Database realize Real-time Big Data computing

The Big Data Real-time Application is a scenario to return the computation and analysis results in real time even if there are huge amount of data. This is an emerging demand on database applications in recent years.

 

In the past, because there are not so many data, the computation is simple, and few parallelisms, the pressure on the database is not great. A high-end or middle-range database server or cluster can allocate…

Continue

Added by Jim King on April 16, 2014 at 9:30pm — No Comments

Can you identify this decoy data scientist?

All social networks have fake bloggers. In our case, we have a few profiles (less than five) posting regularly, and created to attract minorities (women, non-Asian) to data science.

Using data science, could you identify at least 3 of these profiles on our network? Explain the methodology used to identify these profiles, name these profiles, and win $200. Identify the profile in the picture below (it's one of the five profiles in question), and earn another $100. Email your answers to…

Continue

Added by Vincent Granville on April 16, 2014 at 9:09pm — No Comments

How to identify the right data scientist for your company

Should you hire someone who knows all the most recent flavors of logistic regression? Or an Hadoop developer?

In my opinion, this is the wrong strategy. These employees are very expensive (at least $120k per year), and they might not bring the ROI that you expect. At least, if going in that direction, hire someone favoring simple, scalable, robust, automated solutions over anything else. To automate, you need someone great at developing…

Continue

Added by Vincent Granville on April 16, 2014 at 4:30pm — 1 Comment

Read Chapter 1 of the Big Data, Mining, and Analytics: Components of Strategic Decision Making* book

Do you want to better understand Big Data and what it really means to businesses?  It’s not just huge volumes and high velocity…there’s another important factor that provides an essential element to decision support and that’s variety of data. Regardless the data source, value creation lies the application of the right analytic approach to a given strategic endeavor.

Read the Big Data, Mining, and Analytics: Components of Strategic Decisions* book in…

Continue

Added by Alesia on April 16, 2014 at 5:33am — No Comments

Have You Always Wanted to Learn How to Use Large Scale Data to Benefit Your Organization’s Profitability?

Well here’s you chance. Jigsaw Academy, the online school of analytics has partnered with Gramener, a data analytics and visualization company to conduct a webinar on 19th April2014 titled, ‘How to Monetize Your Data to Impact Your Organization’s Profitability’. Read the full article …

Continue

Added by Gaurav Vohra on April 16, 2014 at 1:20am — No Comments

Seven Tips to Create Winning Reports and Dashboards

Killer Dashboards

Sometime ago I came across an Excel based dashboard with around 45 tabs, and every tab had around 10 charts/ graphs /tables. That is roughly 450 figures and tables. I could only sympathize with the end audience of that dashboard. Unfortunately, almost every organization is deluged with meaningless reports…

Continue

Added by Roopam Upadhyay on April 15, 2014 at 11:09pm — No Comments

Revolution R Enterprise on AWS Marketplace

Revolution R Enterprise on AWS Marketplace

Big Data R, In the Cloud

Now you can get all of the power, performance and productivity of Revolution R Enterprise on Amazon Web Services. Revolution R Enterprise 7 on AWS Marketplace includes:

  • High-performance …
Continue

Added by Gregory Todd on April 15, 2014 at 10:56am — No Comments

esProc assists Hadoop to replace IOE

What is IOE? I=IBM, O=Oracle, and E=EMC. They represent the typical high-end database and data warehouse architecture. The high-end servers include HP, IBM, and Fujitsu, the high-end database software includes Teradata, Oracle, Greenplum; the high-end storages include EMC, Violin, and Fusion-io.



In the past, such typical high performance database architecture is the preference of large and middle sized organizations. They can run stably with superior performance, and became…

Continue

Added by Jim King on April 14, 2014 at 5:42pm — No Comments

Tricky Base SAS interview questions : Part-II

Working in analytics industry, SAS has become an inevitable part of our lives. This article is the second part of the series we have published on SAS interview questions. These article will help you optimize your SAS routines/algorithms, make your codes efficient and follow best pratices for coding on SAS. We will also like to hear your solution on the problem statements in the article. Following are the description of the two parts of this series :

1. Part I :…

Continue

Added by Tavish Srivastava on April 13, 2014 at 2:45am — No Comments

Top 10 List – The V's of Big Data

Recently I wrote about the "Top 10 Big Data Challenges – A Serious Look at 10 Big Data V’s", which summarizes some of the big issues associated with the deployment of big data projects. The use of the letter V may seem forced and contrived, but it is used primarily as a mnemonic device to label and recall these critical challenges, in much the same way the…

Continue

Added by Kirk Borne on April 12, 2014 at 8:30am — No Comments

4000 copies of data science book pre-ordered

I've heard from Wiley that our data science book had already 4,133 pre-ordered copies, which is (according to Wiley) a great start. It was published last Monday.

I invite you to check the final table of content or check out the book on…

Continue

Added by Vincent Granville on April 12, 2014 at 8:00am — 5 Comments

MongoDB performance optimization strategies

MongoDB performance tuning and scalability

 

This post is a live blog to the Enteros, Inc. presentation at NoSQL Now 2013 conference.

Start with tuning the Operating System, follow ulimits and follow production notes per mongo manual. Try iostat, vmstat, mpstat, sar, free -tm for Linux. You can also try open…

Continue

Added by Muhammad Saeed on April 11, 2014 at 8:35am — No Comments

How About Computing Data Outside Database to Alleviate Data Warehouse Expansion Pressure

The data warehouse is essential to enterprise business intelligence, which accounts for a great part of the total enterprise cost.  With the global data explosion in recent years, the business data volume grow significantly, posing a serious challenge for enterprise data warehouse to meet the diverse and complex business demands. More data, more data warehouse applications, more concurrent accesses, higher…

Continue

Added by Jim King on April 10, 2014 at 9:44pm — No Comments

Another 10 external articles and resources worth reading

Here we go. This a a follow up to our previous 9 must-read articles. The map below illustrates the data science (route optimization) problem described in the UPS Truck article.…

Continue

Added by Vincent Granville on April 10, 2014 at 12:30pm — No Comments

Big data: are we making a big mistake? My reaction

This is a recent, very popular article published in the FT Magazine. A similar one - Eight (No, Nine!) Problems With Big Data - was published in the New York Times. In both cases, this is an attack against big data. It features Google's failure…

Continue

Added by Vincent Granville on April 10, 2014 at 9:30am — No Comments

Blog Topics by Tags

Monthly Archives

2014

2013

2012

2011

1999

Follow us

© 2014   Data Science Central

Badges  |  Report an Issue  |  Terms of Service