There are always two aspects to data quality improvement. Data cleansing is the one-off process of tackling the errors within the database, ensuring retrospective anomalies are automatically located and removed. Another term, data maintenance, describes ongoing correction and verification – the process of continual improvement and regular checks. 

Often, businesses…

Summary:  Is predictive modeling dead?  Have we wasted our time practicing this?  I don’t think so but here are some interesting thoughts to the contrary.…

Big Data is a big word in the tech world. One look at the highly popular hashtag #BigData reveals how it is gaining increasing credence. There’s a lot of talk about Big Data and how data analytics can help drive and turn around businesses. However, many people and companies are yet to come to terms with what exactly can Big Data deliver for their business.

I remember walking to a major shoe store brand outlet a few years ago. To my surprise, I had to look around and call for someone…

I have never been formally trained on how to deal with seasonality. But I wanted to take a moment to share my perspective based on experience, which I hope readers will find fairly straightforward. Some people use sales revenues in order to evaluate seasonal differences. I find it more desirable to analyze units sold if possible. A price increase resulting in slightly higher revenues does not in itself represent increased demand. Nor should discounted prices leading to reduced revenues…

The original piece, "THOUGHT FOR FOOD: Analyzing the performance of a leading restaurant chain", appeared originally on the CrowdANALYTIX blog.

The restaurant industry in the US has changed dramatically over the years, and the need to…

Guest blog by Fabio Souto

A curated list of awesome data visualizations frameworks, libraries and software. Inspired by awesome-python.

Table of contents…

New Big data research methods reveal that the origin of the name and concept of the US Peace Corps might in fact be more sinister than the current 'majority view' story:

Before the invention and popularization of the internet, a perfectly rational case was made to dismiss the veracity of arguments, based upon etymological evidence, that were being used by Professor Loren Eiseley in his efforts to prove that Charles Darwin had committed a research fraud by way of plagiarizing , among…

Behind every successful person, there is tons of coffee.

Successful or not or on way to success, coffee is the beverage of choice for many of us. Today a coffee drinker faces a ‘choice overload’ problem – there are too many varieties, blends, and roasts to choose from. Is there a way to simplify this problem? How can data science help us to streamline our choices without sacrificing individual preferences?

Data science refers to knowledge discovery from large volumes of…

The full version is always published Monday. Starred articles are new additions or updated content, posted between Thursday and Sunday. The picture of the week is from the contribution marked with a +, where you will find the details.

Announcement…

Data are good for many reasons, and there are times when data are not useful.  However, the good reasons outweigh the bad.

The best benefit of data is the opportunity to learn from it.  When companies create atmopheres for learning, data become an asset and a strategic priority.

Another benefit of data is the opportunity to get work done quickly.  However, the time needed to finish a task with the aid of data is dependent on a solid understanding of the question posed by the…

Guest blog by Gary Cokins

Analytics are like a mosquito in a nudist colony. Why? Because there are so many opportunities!…

After data science, which I discussed in an earlier post, data visualization is one of the most common buzzwords thrown around in the tech and business communities. To demonstrate how one can actually visualize data, I want to use one of the hottest tools in the market right now: Tableau. You can download Tableau Public for free …

Summary:  Gartner drops “Big Data” from the Hype Cycle for Advanced Analytics and Data Science?  What’s going on?

It is with heavy heart that I must relay to you that Gartner has dropped “Big Data” from its 2015 Hype Cycle for Advanced Analytics and Data…

When I think of Big Data and NoSQL I think of Big-Web-User companies like Amazon, Google, Twitter, Netflix, and other similar companies that amaze and entertain us by using the latest in NoSQL-based data science to bring us features that are useful and novel.  Mostly that means using recommenders, NLP, IoT, and advanced search algorithms to present just the right part of the their Big Data databases to us users.

There aren't many examples of more traditional companies, even…

Hello and Welcome back!

This series is my attempt to start cataloging all the interesting articles, industry reports, whitepapers, and news that I read every month, related to technology and data science. We are at Month 2 and let us dig right in -

1. Network Effects, Digital Avatars and Advertising

This essay titled "…

Where do you all come from?

All your integrity's gone

Now tell me, where do you all come from?

From 'Where Do You All Come From' by Mott the Hoople

If you enjoy this piece or find it useful then please consider…