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All Blog Posts Tagged 'analytics' (137)

A Method of Grouping and Summarizing Data of Big Text Files in R Language

It is common to use R language to group and summarize data of files. Sometimes we may find ourselves processing comparatively big files which have smaller computed result and bigger source data. We cannot load them wholly to the memory when we need to compute them. The only solutions could be batch importing and computing as well as result merging. We’ll use an example in the following to illustrate the way of R language to group and summarize data from big text files.

Here is a file,…

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Added by Jessica May on August 24, 2014 at 8:54pm — 2 Comments

9 Questions to Determine If a BI Solution Is Truly Self-Service

A Tool That Grants Independence to Business Users

We all know the constant struggle between IT and business users when it comes to BI software: Business users want to access data in order to make fast decisions independently, without having to use IT as a middle man every time a new requirement arises, query is run, or data is added. Yet, IT is overwhelmed by constantly changing requests and requirements, and struggle to deliver data in an actionable time-frame. The…

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Added by Elana Roth on August 19, 2014 at 2:30am — No Comments

IEEE Power & Energy Society Launches the Global Energy Forecasting Competition 2014

Global Energy Forecasting Competition 2014 by IEEE - Power Energy Society launches on CrowdANALYTIX platform. Check out the 4 tracks of your choice: Electric Load, Electric Price, Wind Power and Solar Power.

IEEE, the world’s largest professional organization dedicated to advancing technology for humanity, today announced the start of the Global Energy Forecasting Competition 2014 (GEFCom2014)—sponsored by the IEEE Power & Energy Society (PES) and organized by the IEEE Working…

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Added by mohans on August 19, 2014 at 1:45am — No Comments

Network analytics: more than pretty pictures

Originally posted on sctr7.com

Network analysis is a rapidly growing analytics domain propelled by the explosion of interest in social networking. The methods rest upon much older foundations in the realms of statistics and social science. Euler’s graph theory was proposed in the early 18th century and Moreno established the foundations for…

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Added by Scott Mongeau on August 15, 2014 at 1:30am — No Comments

How Much Data Will You Have in 3 Years?

If I told you all of our modern activities–posts to social media sites, transaction records, online activities, digital pictures and videos, and mobile GPS signals to name a few– leave a trail of data behind that is estimated to produce about 2.5 quintillion bytes of data each day, would you have a real feel for how much data that is? Even if I defined that number more clearly as 1 followed by 18 zeros, many tech veterans and savvy business leaders still have trouble digesting the scope of…

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Added by Elana Roth on July 31, 2014 at 4:30am — No Comments

Some Cases illustrating drawbacks of SQL in data computing and analytics

The computing power of SQL for mass structured data is complete, that is to say, it is impossible to find anything that SQL cannot compute. But its support layer is too low, which can lead to over-elaborate operation in practical application.…

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Added by Jessica May on July 27, 2014 at 9:30pm — No Comments

ESTIMATION: Market sizing for smartphone flip cover cases in US

With elevating popularity for smartphones and other mobile devices, there is also increasing demand for mobile accessories like covers etc. A recent study showed that smartphone owners spend roughly $56 on accessories per device, nearly double the amount of feature phone owners. Smartphone case market is one of the latest examples of products that were originally intended to be functional and evolved into fashion statements and spurred an industry to make devices unique and…

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Added by mohans on July 24, 2014 at 11:06pm — No Comments

The difference Between esProc’s Sequence Table Object and R’s Data Frame on data processing

Both esProc and R language are typical data processing and analysis languages with two-dimension…

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Added by Jessica May on July 21, 2014 at 1:36am — No Comments

ESTIMATION: Shifting paradigms in digital content consumption

Introduction

Digital content has gone through significant changes in past couple of decades. From DVDs to internet streaming, from Blu-ray to 4k, HD and from TVs to desktops to mobile, viewing patterns have transformed and so has the economics of the industry.

For example: Netflix’s business model of On-demand streaming is a whopping 4.7 billion USD business with over 10 million subscribers.…

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Added by mohans on July 17, 2014 at 12:01am — No Comments

How to Process Text Files in the Data Analytics

Text files often brings headache for data analysts, are there any more convenient way for text files process? I prepare a case on how esProc deal with it, including import various text files; process big text files; visit text files of hdfs; as well as general operations, such as, file moving, deleting and checking whether a file exists. The following will illustrate these functions through examples. …

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Added by Jessica May on July 14, 2014 at 1:30am — No Comments

The Cutting Edge: Network Analytics for Financial Fraud Detection and Mitigation

Original post here:  http://sctr7.com/2014/06/27/the-cutting-edge-network-analytics-for-financial-fraud-detection-and-mitigation/

The application of network analysis to the growing challenge of fraud and financial crime is a fast emerging advanced data analytics frontier. As any good fraud investigation knows, fraud and financial crime are as much…

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Added by Scott Mongeau on July 10, 2014 at 1:01pm — No Comments

Coding Web Visualization Tutorials

Hello,

I'm starting a new series of tutorials for beginners to learn web visualization. My tutorials help bridge the gap to d3.js visualization. It's intended to teach audience the concepts of Javascript applicable for data visualizations.

Click here for…

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Added by Phuoc Do on July 1, 2014 at 5:30pm — No Comments

Fan Map Faux Pax @ Indian Premier League #IPL

We’ve just wrapped up another eventful season of the annual phenomenon that is the Indian Premier League. Records were broken, trophies and caps won, and careers and fortunes made in a span of 6 high-octane weeks.  Fans, being the lifeblood of any successful sporting event, were given extra-special attention this time around. The millions of tweets that social-media savvy fans across India tweeted during the tournament formed a veritable growing corpus of social content that was used through…

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Added by Farid Jalal on June 27, 2014 at 12:42am — No Comments

Visualization contest: Expenditure shares across the various counties in Utah

Introduction

Each county within a state in the US maintains strict accounting standards with regards to cash inflows and outflows namely revenue and expenses. There are various funds institutionalized to serve this purpose for various categories such as education, energy, environment, health and human services, housing and community development etc. The governmental fund concept means that:

  • The fund is an independent fiscal…
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Added by mohans on June 20, 2014 at 3:00am — No Comments

Introduction to business analytics online lecture

Sharing a lecture introducing business analytics to agroup of MBA and MIS students at Erasmus Rotterdam School of Management:

Summary:  https://www.youtube.com/watch?v=KmG7FJhms2Q

Part 1 of 4: https://www.youtube.com/watch?v=KFYYDrEV4wI

Part 2 of 4: …

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Added by Scott Mongeau on May 19, 2014 at 9:37am — No Comments

Personal Big Data Trails

Data is everywhere (that's indisputable). What I didn't realize was how often--and how subtly--personal big trails get created every day. 

Case in point, I went to Kohl's to use up a free $10 rewards coupon card last weekend. While I was checking out, the cashier asked me for my phone number. I paused. I didn't understand why he needed…

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Added by Mar on May 5, 2014 at 8:49pm — No Comments

Read this tutorial before you use Proc Corr

All of us at some point in the process of examining…

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Added by aatash shah on February 27, 2014 at 5:36am — No Comments

Talent Analytics: How to Find Top Talents and How Job Seekers Find the Right Job

How do you know that the candidate that you're going hire will become a high performer? Should you choose the candidate with 3.5 GPA and reject the candidate with 2.5 GPA? However, how do you know for sure that higher GPA will have better performance compared to those with lower GPA? And why company like Google and AT&T start choose candidate with less academic records or from non prestigious schools?

On the other hand, if you are a job seeker, with your current strength…

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Added by Eka Aulia on February 22, 2014 at 7:02pm — No Comments

Analytics Trends to look out for in 2014 (India specific)

What do we predict for the Indian Analytics Industry this year? Here is what we put together at IVY after talking with our analytics recruiters, alumni, clients, and industry associates:…

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Added by Ivy Pro School on February 1, 2014 at 10:53pm — No Comments

optimizing natural gas supply to boston

check out our post on optimizing natural gas supply to Boston

optimizing NG supply to Boston

Added by Parag Patil on December 10, 2013 at 8:12am — No Comments

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