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Pundit Election Forecasts All Wrong, Nate Silver Perfectly Right. | TechCrunch

Predicting election results in the 50 states is actually much more easy than most people think. West Coast and East Coast are democrat, Midwest, Texas etc. are mostly republican (the Midwest becoming more republican because the population is aging due to brain drain by young, smart people - mostly democrats). So indeed the task is not about correctly predicting results for the 50 states, but simply predicting…

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Added by Vincent Granville on November 8, 2012 at 11:00am — No Comments

Big Data pioneers show the way

There is little time, about 3 or 4 years, if you wanted to process a large amount of textual data or web logs, you need to mobilize large servers and implement consistent SQL programs, long to be developed long and long to give results. Fortunately requests were few and generally volumes were measured at most in terabytes. Now e-commerce and social media have been largely developed, and many companies see their customer relationships, and therefore their survival, entirely dependent on the…

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Added by Michel Bruley on November 8, 2012 at 3:58am — No Comments

R + Hadoop = Data Analytics Heaven

 

Hadoop (MapReduce where code is turned into map and reduce jobs, and Hadoop runs the jobs) is the most well known technology used for "Big Data" because it allows…

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Added by Michael Walker on November 7, 2012 at 3:57pm — No Comments

Retail Analytics - Practical Issues to be considered

Initiating the LPG (Liberalization, Privatization, and Globalization) policies, the consumer behaviour is also changed drastically with their preferences and choices of the products available in the market. Consumers are demanding Global Products at Local Markets. Consumer Point of View (40-60% of the total consumer’s of the economy or total population), with available time if he found more products available (all different products at one place), he will ready to pay higher prices. Retail…

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Added by Vijay Kumar on November 4, 2012 at 12:41am — No Comments

Feature selection for efficient modeling

Feature selection, also known as variable selection, feature reduction, attribute selection or variable subset selection is the technique of selecting a subset of relevant features for building robust learning models (Source: Wikipedia). Data mining problems may involve hundreds, or even thousands, of variables that can potentially be used as inputs. As a result, a great deal of time and effort may be spent examining which variables to include in the model. Feature selection allows us to…
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Added by Venky Rao on November 3, 2012 at 10:03pm — 2 Comments

"Common Mistakes in practice" of analytics

  1. Ignoring to apply Commonsense and practical knowledge in using analytical tools in providing solutions to the given problem.
  2. The results are highly biased towards models (tools and techniques), but unable to realize the importance of the problem; and its basic sampling techniques.
  3. By Ignoring root causes (i.,e proper investigation, deep analysis of the customized problem), Analytics are providing mid-way solution; which is not adequate.
  4. Analytical…
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Added by Vijay Kumar on November 2, 2012 at 8:41pm — No Comments

5 Thing You Need to Know about Hadoop

Big Data is a term used to categorize an excessive amount of aggregated data. But, how do Data Miners manage all of this data? Hadoop is one of the popular tools that data analysts are using to store and mine immense volumes of data.

Here are 5 Things a Data Analyst should know about Hadoop:

1.      Hadoop utilizes parallel processing to store and process…

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Added by Ben Gold on November 2, 2012 at 9:21am — No Comments

Data Science Central Weekly Digest

Sponsored Listings

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Added by Vincent Granville on November 2, 2012 at 7:30am — No Comments

Yo-Yo Ma Social Scientist or Data Scientist

YO-YO MA – SOCIAL SCIENTIST

Stories
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Added by Zach Piester on November 1, 2012 at 3:02pm — No Comments

Assessing the Damage From Hurricane Sandy | New York Times

Includes great charts from FlowingData.com.

Five of New York’s 14 wastewater treatment plants are in the lowest-lying areas of the city, within the mandatory evacuation zone. When the plants get filled to capacity or flooded, sewage and stormwater mix and bypass the plant, flowing directly into New York’s waterways — and now, into flooded streets and buildings.…
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Added by Vincent Granville on October 31, 2012 at 9:53am — No Comments

Creating an Analytics Driven Culture - The ProMorphics Approach

Many decisions, big and small are made every day across various lines of business, executive offices and departments in your organization. How are these decisions made today in your organization? What drives the decision maker(s) to say ‘yes’ or ‘no’ for any particular decision? Let’s look at some of the key business challenges that many organizations are facing today where decision making is critical.…

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Added by Srini Pagidyala on October 31, 2012 at 8:00am — No Comments

Traditional BI vs Data Analytics Approach

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Added by Michael Walker on October 31, 2012 at 7:38am — 1 Comment

3 Degrees that Will Prepare You for a Career in Analytics

Merriam-Webster defines analytics as “the method of logical analysis.” In business, analytics is the process of analyzing quantitative data to glean information about performance. This process is often used in marketing departments and in risk management. Analytics is also a very important tool for the management and maintenance of websites.

 

The field of analytics is growing, as more companies realize the benefits of the method. This is especially true for internet-based…

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Added by Gaurav Vohra on October 29, 2012 at 9:40pm — 1 Comment

Data Analytics in India

Data Analytics is a process of summarizing data with the intent to extract predictive information and develop conclusions from the data and using it for making strategic decisions and operational policies. A huge demand for data analysis services in India generates ample earning opportunities to companies which are offering data analysis services.



Data analytics in India is extensively used in Banking and Financial sectors. Data mining and data analysis being carried out by BPO…

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Added by AcademyForDecisionScience&Analyt on October 29, 2012 at 8:13pm — No Comments

Science of Analytics

Analytics is not just pure science; it is part art as well. Organizations that master the fine art of using analytical tools realize increased revenues and enjoy cost savings.

The scientific approach involves the following four key steps:

  • Observe/define the business problem: Observation is either an activity consisting of receiving knowledge, or the recording of data using scientific instruments. The term may also refer to any data collected during this…
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Added by AcademyForDecisionScience&Analyt on October 29, 2012 at 7:50pm — No Comments

History of Analytics

Educating savvy and business-minded Indians on the importance of numbers and analytics in your business is like teaching the properties of sand to someone in the desert, but here is my effort anyway.

The simplest definition of analytics is "the science of analysis." However, a practical definition would be how an entity, e.g., a business, arrives at an optimal or realistic decision based on existing data. Business managers may choose to make decisions based on past experiences or…

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Added by AcademyForDecisionScience&Analyt on October 29, 2012 at 7:30pm — No Comments

Application of Analytics

Author: Rahul Nawab, Co- founder, IQR Analytics and Promoter, ADSA (Academy for Decision Science and Analytics).

In this article we will talk about some of the successful applications of analytics. We will start with 2 different examples which I was reading recently from a podcast of Accenture and then move to some of the other industrial examples.

1.     Harrah’s Entertainment

 

Gary Loveman, CEO of Harrah’s, was presenting at an…

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Added by AcademyForDecisionScience&Analyt on October 28, 2012 at 11:15pm — No Comments

Top 16 articles for week ending October 24

From Data Science Central and AnalyticBridge

  1. Splunk for Hadoop – Real Time Analytics…
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Added by Vincent Granville on October 25, 2012 at 7:10pm — No Comments

Proposal for an Apprenticeship in Data Science

For motivated students who can learn on their own, here's an option that I would like to offer: the possibility to become an expert data scientist in less than six months, for a cost well below $10,000, and with guaranteed job opportunities.

The program would be open to everyone without screening, but the degree and the…

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Added by Vincent Granville on October 25, 2012 at 4:00pm — 34 Comments

Splunk for Hadoop – Real Time Analytics

 
Hello DSC Member, 



We are excited to announce new Hadoop integrations that address common challenges in deploying…
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Added by Vincent Granville on October 25, 2012 at 9:26am — No Comments

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