What on earth makes the world go round?
Well, your guess is not far from the truth! Gone are the days when big machines were the gizmo for nerds and geeks! Today, there is a revolutionary paradigm shift in favor of small machines with capacity for big data!
Businesses are going online at a rate never imagined before in the entire history of the…Continue
Added by Christopher Alvin Mokaya on April 15, 2015 at 10:00pm — No Comments
Ever wanted to use Excel to examine big data sets? This tutorial will show you how to analyze over 300,000 items at one time. And what better topic than baby names? Want to see how popular your name was in 1910? You can do that. Want to find the perfect name for your baby? Here’s your chance to do it with data.
Added by Vincent Granville on April 14, 2015 at 3:00pm — No Comments
The full version is always published Monday. Starred articles are new additions or updated content, posted between Thursday and Sunday.
Added by Vincent Granville on April 14, 2015 at 12:30pm — No Comments
It’s all well and good to talk about customer experience and managing inventory flow, but what has big data done for me lately?
I’ve rounded up seven of the most interesting — and unique — applications for big data I’ve seen recently and how they may be impacting your life.
Big Data Billboards
Added by Steve Webster on April 13, 2015 at 1:30am — No Comments
What is Cosine Similarity?
Cosine Similarity is a measure of similarity between two vectors that calculates the cosine of the angle between them. Similarity ranges from −1 meaning exactly opposite, to 1 meaning exactly the same, with 0 usually indicating independence, and in-between values indicating intermediate similarity or dissimilarity.…Continue
I just got back from my vacation in Barcelona, Spain where I spent about 3 days, then rented a car and drove up north through the South of France. My last stop was Nice, France. The trip was a lot of fun and now I intend to find some data to help bring back great memories (hm...it sounds more geeky than I thought but anyway).
Barcelona is located in Catalonia region of Spain famous for its earthy dry reds as well as Cava - world's most delicious bubbly drink. I am a big wine fan which…Continue
Added by Tatiana Sorokina on April 12, 2015 at 8:00am — No Comments
The objective of my final project at Metis from weeks 9 to 12, is to categorize drivers based on their behaviour on the roads - their driving style and the type of roads that they follow.
The challenge associated with this objective is to identify uniquely a driver (and hence his proper “driving…Continue
Ulla B. Mogensen, Hemant Ishwaran, Thomas A. Gerds (2012). Evaluating Random Forests for Survival Analysis Using Prediction Error Curves. Journal of Statistical Software, 50(11), 1-23.
Abstract Prediction error curves are increasingly used to assess and compare predictions in survival analysis. This article surveys the R package pec which provides a set of functions for efficient computation of prediction error…
Added by Diego Marinho de Oliveira on April 10, 2015 at 12:21am — No Comments
First, let's start with an article featuring many great Excel functions, entitled 11 Advanced Excel Tricks That Will Help You Get An Instant Raise At Work. It describes the following Excel functions:
Nice infographics produced by famous business management consultant and author, Bernard Marr. Click on the picture, then click one more time on the picture, to see easy-to-read version.
Added by Bernard Marr on April 9, 2015 at 7:30pm — No Comments
In a meeting with Airbus last week I found out that their forthcoming A380-1000 – the supersized airliner capable of carrying up to 1,000 passengers – will be equipped with 10,000 sensors in each wing.
The current A350 model has a total of close to 6,000 sensors across the entire plane and generates 2.5 Tb of data per day, while the newer model – expected to take…Continue
I assist enterprises by driving data-driven approaches into their operations, developing market-aware products that learn from data, and encouraging data-smart cultures among the c-suite of executives. I have had the privilege to work with many talented professionals looking to disrupt their…Continue
In order for a business today to remain competitive, it must be willing to embrace new technologies. Using old or outdated technology can leave a business trailing in the dust of those newer businesses that have emerged to the forefront of the industry, especially when reaping the benefits that new technology affords them. Of course, this means that one must also be aware of new technology and how they might benefit your business, which is not always so easy to do. In fact, there is a term…Continue
Primed to make a huge entrance in 2015, Data-as-a-Service (DaaS) empowers companies with real-time data to overcome tough challenges with data. DaaS is allowing companies to generate real-time insights and revenue from Big Data. Companies commonly report feeling overwhelmed solely by the mere size of big data, not to mention the processes necessary to use the data. This no longer has to be a reality. With DaaS using big data is no longer a couple month long process.
Added by Larisa Bedgood on April 7, 2015 at 12:30pm — No Comments
Organizations are struggling with a fundamental challenge – there’s far more data than they can handle. Sure, there’s a shared vision to analyze structured and unstructured data in support of better decision making but is this a reality for most companies? The big data tidal wave is transforming the database management industry, employee skill sets, and business strategy as organizations race to unlock meaningful connections between disparate sources of…Continue
Machine learning algorithms are parameterized so that they can be best adapted for a given problem. A difficulty is that configuring an algorithm for a given problem can be a project in and of itself.
Like selecting ‘the best’ algorithm for a problem you cannot know before hand which algorithm parameters will be best for a problem. The best thing to do is to investigate empirically with controlled experiments.
The caret R package was designed to make finding…Continue
Added by Diego Marinho de Oliveira on April 7, 2015 at 6:41am — No Comments
Guest blog post.
Big data makes a noteworthy contribution to the usefulness of an application, but its presence can make the design of a clean and usable interface rather difficult. Today, many web applications are built on the platform of big cloud-based data, which leads to the question: how can a designer deliver all the necessary data in an application without making a train-wreck of everything?
Creating a balance between complex data requirements and a simplified…Continue
Added by Vincent Granville on April 7, 2015 at 3:50am — No Comments
Authors: Michael J. Lopez / Gregory J. Matthews.Continue
Journal of Quantitative Analysis in Sports. Volume 11, Issue 1, Pages 5–12.
Abstract Computing and machine learning advancements have led to the creation of many cutting-edge predictive algorithms, some of which have been demonstrated to provide more accurate forecasts…
Added by Diego Marinho de Oliveira on April 7, 2015 at 12:46am — No Comments
Next month marks the 100th anniversary of Babe Ruth’s first home run.
This year, opening day in baseball signals the “closing day” for one of the classic truisms among sports statisticians: the belief that…Continue
Added by Peter Bruce on April 6, 2015 at 10:40am — No Comments