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October 2014 Blog Posts (19)

Is data mining more about fitting data well? - Exercise Results

Is data mining more about fitting data well? - Exercise Results

Today, I am going to share results of an exercise that I carried out recently for a start-up. Intention of the study was to extract those major attributes that are generally driving less/in experienced (or) re-skilled data miners towards the given objective and to understand where they are failing back. Herein, twist is majority of them have given same conclusion or explanation for the given…


Added by Dr. Pradeep Mavuluri on October 31, 2014 at 11:28am — No Comments

The Single Best Predictive Modeling Technique. Seriously.

I read two strangely similar articles last week. One was an article by Vincent Granville, entitled "The 8 worst predictive modeling techniques". The other was an article on Forbes entitled "America's 10 Best-Paying Jobs".

What on Earth do these two articles have in common (other than both being lists)?

A brief flick through the Forbes article reveals that it…


Added by Dr. Justin Washtell on October 29, 2014 at 11:00am — 1 Comment

Video: How to use analytics to drive growth

It's not the size of your data that's important, it's how you use it. 

In this video presentation Kurien Jacobs, CRO, Highgate Hotels, shares case study examples to show how travel brands can use data to make informed marketing & RM decisions. 

His advice includes: 

• Be proactive: How to use data to make future predictions and capitalize on market & consumer trends 

• Don't just rely on your own…


Added by Julia Heighton on October 28, 2014 at 10:54am — No Comments

New batch of resources

Updated today. Machine learning, Python, Data Science resources, and external articles from thought leaders.

Resources include:

  • Tutorial about Deep Belief Network in Python 
  • Cheat sheets for developers 
  • In-depth introduction to machine learning in 15 hours of expert videos 
  • The Python Tutorial 
  • Meta-list of data set repositories for cool data science projects
  • K Means Clustering - Effect of random seed 
  • Demographic and…

Added by Vincent Granville on October 24, 2014 at 1:30pm — No Comments

To Infinity and Where?

I love Buzz Lightyear nearly as much as I love Forrest Gump. But Buzz did not quite understand infinity. My teenagers will argue with me over stuff, like who is the most adorable, saying that they are more adorable than me, and add “times infinity.” Well, they do not quite understand infinity either. I would venture to say that I do not understand the essence of the infinite, but just as Forrest knows what love is, so do I know what infinity is—and what it is not.

The Do Not part of…


Added by Jeffrey Strickland on October 19, 2014 at 10:40pm — No Comments

Make it Simple, Stupid!

Although this is what my Army platoon Sergeant often told me—he would, of course, precede it with the proper address of “Sir”—it really makes a lot of sense; however, I did not realize that my platoon sergeant was such a student of humanity, until much later when I heard about this fellow named Occam.

William of Occam, or sometimes rendered Ockham, (c. 1287–1347) is remembered as an influential medieval philosopher and nominalist, though his popular fame as a great logician rests…


Added by Jeffrey Strickland on October 19, 2014 at 10:39pm — 2 Comments

Some exciting stuff

First, let me mention our new selection of resources and articles: 43 blogs that we discovered and liked this week. We found them listed as popular in various social networks - including Reddit, Google+, Twitter, LinkedIn etc. Just the top of the top, with noise filtered out for your convenience.

These articles can be found here

Internally. we also have published our own interesting stuff in the last few days,…


Added by Vincent Granville on October 17, 2014 at 12:31am — No Comments

Making a Case for Subscription Based Predictive Analytics Solutions

Predictive Analytics is slowly but steadily garnering attention from business stakeholders in India. As a means of adoption clients are experimenting with different approaches ranging from bring in consulting companies like Mckinsey, partnering with analytics software vendors like SAS or engaging with specialized Data Analytics players.…


Added by Rohit Pandey on October 16, 2014 at 4:30am — No Comments

Is Predictive Analytics Mainstream?

Sorry I am late for commenting in the Gartner Hype Cycle for Emerging Technology 2014 that was released back in August.

I was prepping for a presentation recently and…


Added by Laura E. Wood Squier on October 14, 2014 at 9:00am — 3 Comments

Lynchpins for Analytical Skill Development

As business are adopting more and more data-driven strategies (analytics) in their day to day life, I keep on listening from leadership or concerned people that training provided towards it, are not having anticipated impact. Herein, pragmatic confession would be happy with thought that 'it is not a pure science' (or) let’s appreciate the concepts and different relationships involved for their success:…


Added by Dr. Pradeep Mavuluri on October 14, 2014 at 8:16am — No Comments

How to Compute Moving Average in R Language and Python

A moving average is used to smooth out a time series. Computing moving average is a typical case of ordered data computing. Its basic computing method is to create a subset composed of N consecutive members of a time series, compute the average of the set and shift the subset forward one by one. The following example teaches you how to compute moving average in R language.…


Added by Jessica May on October 14, 2014 at 1:00am — 1 Comment

Quantitative Finance: Analysis of Gold Mining ETF

5 Reasons Why the Market Vectors Gold Mining ETF Could Be The Next Monster Trade

One of the most hated commodities in 2014 has been gold. As most of you know, gold is also viewed by many people as a currency. After all, gold cannot be printed or created by a click of a button like most fiat currencies. For the first time in a long time, the leading gold mining stocks are looking primed for a sharp move higher. Listed below are five key reasons why gold mining stocks…


Added by Nicholas Santiago on October 13, 2014 at 12:00pm — No Comments

Popular articles recently posted, upcoming webinar

Upcoming DSC Webinar

Improving the Data Modeling Workflow 

The core competency of effective data scientists is producing direct value for businesses via quantitative models. New analytical tools allow data modelers to drastically improve the modeling workflow: speeding up data cleaning, identifying and exploring predictive factors, and rapidly evaluating and analyzing results.

In this webinar Justin…


Added by Vincent Granville on October 13, 2014 at 12:00pm — No Comments

Color and Pattern analysis using Flags of the world

Ever wondered why certain countries have certain colors in their flags, why it has certain symbols and what are the different patterns?

We started digging through, checking a Wikipedia article on this topic.

This was a good start but we wanted to go deeper so we manually started eye balling each flag to understand the patterns and symbols.

We needed to figure out…


Added by Nilesh Jethwa on October 13, 2014 at 8:00am — No Comments

Adoption of in-memory computing, a better choice for SMEs analytical capabilities

Delivering analytical solutions using in-memory computing can be a better choice for small and medium data enterprises (SMEs) if followed few good practices:

Author has worked and implemented in-memory analytical solutions and views…


Added by Dr. Pradeep Mavuluri on October 11, 2014 at 5:30am — No Comments

Enhancing Compliance & Oprisk Management through Analytics

Post the financial crisis, banks in the US have faced increased regulatory scrutiny that has resulted in broader and tougher regulations. Bankers are fully aware of the investments and efforts they have to put in to comply with these regulations. Consequently, compliance function in banks is evolving towards a broader risk canvas that is now seeking tighter coordination between the first and second lines of defense. This poses new challenges to banks – from being compliant to getting the…


Added by Naagesh Padmanaban on October 10, 2014 at 5:30pm — No Comments

A use case to read and analyze Excel data in Java

Generally, Java programmers use poi or other open source packages to read and compute Excel data. These open source packages support low-level programming, which increases the overall learning cost and complicates the operation. But with the help of esProc, Java can avoid these problems.…


Added by Jessica May on October 8, 2014 at 12:26am — No Comments

Manager-machine: analytics, artificial intelligence, and the uncertain future of management

The brave new world of machine managers

original blog post:

Advances in analytics and artificial intelligence increasingly encompass decision making traditionally associated with middle management. With…


Added by Scott Mongeau on October 7, 2014 at 9:50am — No Comments

MODELING - Olive Garden Restaurant Comparison Analysis

Olive Garden is a restaurant brand that is owned and operated by Darden Restaurants, Inc. a SEC registrant with ticker symbol ‘DRI’. Darden reported that same store sales had increased for Olive Garden for 55 consecutive quarters in 2008. In 2009 same store sales declined and the Olive Garden brand has had continuous erosion since then.

Through a series of tasks outlined in the Objectives section below, the goal of this contest is to perform a store…


Added by mohans on October 7, 2014 at 3:22am — No Comments

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