Bernard Marr's Blog (78)

Big Data: Too Many Answers, Not Enough Questions

One of my favorite examples of why so many big data projects fail comes from a book that was written decades before “big data” was even conceived. In Douglas Adams’ The Hitchhiker’s Guide to the Galaxy, a race of creatures build a supercomputer to calculate the meaning of “life, the universe, and everything.” After hundreds of years of processing, the computer announces that the answer is “42.” When the beings protest, the computer calmly suggests that now they…


Added by Bernard Marr on September 3, 2015 at 8:30pm — No Comments

Ten top languages for crunching Big Data

With an ever-growing number of businesses turning to Big Data and analytics to generate insights, there is a greater need than ever for people with the technical skills to apply analytics to real-world problems.

Computer programming is still at the core of the skillset needed to create algorithms that can crunch through whatever structured or unstructured data is thrown at them. Certain languages have proven themselves…


Added by Bernard Marr on August 26, 2015 at 8:00am — 2 Comments

5 Signs That You Are NOT a Data Scientist

Data Scientist is the rock star job title of the moment, and why not? There is a huge demand and a very small pool of qualified candidates. And those who get hired are making big six-figure salaries — who wouldn’t want in on that?


But just because you aspire to be a data scientist doesn’t mean you already are qualified to be one.  Here are a few…


Added by Bernard Marr on August 26, 2015 at 8:00am — 5 Comments

5 Really Cool Internet of Things Sports Gadgets

Elite level athletes have long had the ability to integrate data analysis principles into their training – monitoring and crunching data on their performance to help them break personal bests and world records.

Thanks to the explosion of the Internet of Things – the idea that just about any everyday object can be made “smart”, and able to collect data and communicate wirelessly – these sort of insights are now…


Added by Bernard Marr on August 15, 2015 at 7:30am — No Comments

Ten top noSQL Databases

We live in a data driven world in which we are generating, storing and analyzing more information than ever before, and at an ever-increasing speed.

Traditional “relational” databases – which store information in neat hierarchies of rows and columns aren’t suited for the big, messy datasets harvested from video, audio and even social media data streams that are needed for today’s Big Data projects.…


Added by Bernard Marr on August 12, 2015 at 12:30pm — 3 Comments

The 10 best cities to find a big data job

It’s no surprise that Silicon Valley and the Washington, D.C. metro area are consistently the two biggest cities for finding big data jobs; tech startups drive the demand in California, while the U.S. government is the single biggest tech employer around.

Source for picture: …


Added by Bernard Marr on August 6, 2015 at 9:00am — 5 Comments

The Big 'Big Data' Question: Hadoop or Spark?

One question I get asked a lot by my clients recently is: Should we go for Hadoop or Spark as our big data framework? Spark has overtaken Hadoop as the most active open source Big Data project. While they are not directly comparable products, they both have many of the same uses.

Source for picture: …


Added by Bernard Marr on July 24, 2015 at 11:00am — 5 Comments

The Next Big Thing In Big Data: BDaaS

We’ve had software as a service, platform as a service and data as a service. Now, by mixing them all together and massively upscaling the amount of data involved, we’ve arrived at Big Data as a Service (BDaaS).

It might not be a term you’re familiar with yet – but it suitably describes a fast-growing new market. In the last few years many businesses have sprung up offering cloud based Big Data services to help other companies and organizations solve their data dilemmas.…


Added by Bernard Marr on July 20, 2015 at 1:00pm — 1 Comment

Companies Devising New Strategies to Recruit Analytics Talent

As the amount of digital information generated by businesses and organizations continues to grow exponentially, a challenge –or as some have put it, a crisis–has developed.

There just aren’t enough people with the required skills to analyze and interpret this information–transforming it from raw numerical (or other) data into actionable insights – the ultimate aim of any Big Data-driven initiative.…


Added by Bernard Marr on July 15, 2015 at 12:00pm — No Comments

How To Identify A Good/Bad Data Scientist In A Job Interview?

Data scientists are in notoriously high demand, so when your company is ready to make the leap into big data, it pays to understand how to tell if you’re getting a good one.


Source for picture: click here

Because of the vast…


Added by Bernard Marr on July 10, 2015 at 2:30pm — 3 Comments

Why So Many ‘Fake’ Data Scientists?

Have you noticed how many people are suddenly calling themselves data scientists? Your neighbour, that gal you met at a cocktail party — even your accountant has had his business cards changed!


There are so many people out there that suddenly call themselves ‘data scientists’ because it is the latest fad. The…


Added by Bernard Marr on June 28, 2015 at 6:00am — 35 Comments

How Much Do Data Scientists Really Earn?

Last year, there was much made of an unconfirmed report that a developer at Google was making $3 million a year. It made many people speculate that the high demand for data scientists coupled with the low supply was creating a salary bubble.

IT World couldn’t…


Added by Bernard Marr on June 28, 2015 at 6:00am — 2 Comments

Big Data: The Amazing Numbers in 2015

Big data is growing — in fact, the sector is growing so fast and we are producing data so voraciously, that no one can afford to ignore it as a “fad” any more.

And, it’s going to affect all companies, large and small, across all segments of the market — from healthcare to public safety, and retail to wholesale.

Big data is changing the world as we know it.…


Added by Bernard Marr on June 20, 2015 at 6:00am — 2 Comments

Types Of Performance Metrics Everyone Must Differentiate

There are leading and lagging indicators in business. It is important that managers understand the difference between them and ensure they have both types of metrics to get an accurate picture of performance. However, there are also some important issues to watch out for.

All performance measures are, by definition, backward looking. They tell us what has already happened. Current trends are on merging the data and information from backward looking metrics or performance indicators…


Added by Bernard Marr on June 20, 2015 at 6:00am — No Comments

The Quantified Workplace: Big Data or Big Brother?

Companies have more data on staff than ever before in history and big data analytics is making its way into HR practices fast. Analyzing staff performance is nothing new, but the extent to which we can now collect and analyze such data is going beyond all norms.

Sociometric Solutions puts sensors into employee name badges that can detect social dynamics in the workplace. The sensors report on how employees move around the workplace, with whom they speak, and even the tone of voice…


Added by Bernard Marr on June 12, 2015 at 4:30pm — No Comments

Big Data In The Amazing World of Gaming

Big Data is big in gaming. Take Zynga, the company behind Farmville, Words with friends, and Zynga Poker. Zynga positions itself as a maker of “social” games, which are generally played on social media platforms (rather than game consoles like Nintendo, Xbox or PlayStation) and take advantage of the connectivity with other users that those platforms offer.…


Added by Bernard Marr on June 12, 2015 at 4:30pm — 1 Comment

How Apple Uses Big Data To Drive Success

Apple’s old slogan was “Think Different” – and while it is now retired, and the ethos may not be as apparent in the company’s products as it once was, it is true for their approach to Big Data.

In some ways, despite being the most profitable tech company in the…


Added by Bernard Marr on May 22, 2015 at 1:30pm — 2 Comments

Big Data: Uncovering The Secrets of Our Universe At CERN

CERN is best known these days as the research organization which operates the Large Hadron Collider – the largest and most complicated science experiment ever undertaken, which aims to explain mysteries behind the creation of the universe.

That’s not where…


Added by Bernard Marr on May 22, 2015 at 1:30pm — 3 Comments

Where Big Data Projects Fail

Over the past 6 months I have seen the number of big data projects go up significantly and most of the companies I work with are planning to increase their Big Data activities even further over the next 12 months. Many of these initiatives come with high expectations but big data projects are far from fool-proof. In fact, I predict that half of all big data projects will fail to deliver against their expectations.

Failure can happen for many reasons, however there are a few…


Added by Bernard Marr on May 11, 2015 at 12:00pm — 3 Comments

How To Make A Billion Dollars From Big Data

Among the new faces making their debut on the Forbes 2015 billionaires list are a growing number who have made their fortunes from Big Data.

These Big Data billionaires are at the top of their game – all of them have built empires on their ability to collect, interpret and use data in ways no one had thought of…


Added by Bernard Marr on May 11, 2015 at 12:00pm — No Comments

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