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BI & Analytics

KPI Expert Blogs

Timeless wisdom from the experts on KPIs & BI & Analytics.
Bernard Marr

What The Hell is... Big Data?

Posted by Bernard Marr about 6 years ago, 3 comments
Big Data is THE biggest buzzwords around at the moment and I believe big data will change the world. Some say it will be even bigger than the Internet. What’s certain, big data will impact everyone's life. Having said that, I also think that the term 'big data' is not very well defined and is, in fact, not well chosen. Let me use this article to explain what's behind the massive 'big data' buzz and demystify some of the hype.
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Phil Green

Reinhart and Rogoff story shows how important it is to check your indicators

Posted by Phil Green over 6 years ago, 1 comment
This month two academic researchers showed that there were errors in the calculations behind the claim by economists Carmen Reinhart and Kenneth Rogoff that the relationship between government debt and real GDP growth is weak for debt/GDP ratios below a threshold of 90 percent of GDP. Above 90 percent, median growth rates fall by one percent, and average growth falls considerably more.
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Bernard Marr

Big Data and Robots - together they might challenge you for your job

Posted by Bernard Marr over 6 years ago, 1 comment
Put together robots with big data analytics and you have a powerful mix that could challenge us for most of our jobs. Big data analytics allows us to leverage large amounts of structured and unstructured as well as fast-moving data such as real time conversations on text, email and social media, video images, photos, data from location sensors in our phones, etc. Put this ability into a robot and they will not just threaten to replace lower-skilled jobs such as assembly line workers or supermarket personnel but now they have their eyes on doctors, pilots and journalists too!
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Stacey Barr

The Big Gaping Hole in Business Intelligence

Posted by Stacey Barr over 6 years ago, 1 comment
Business Intelligence vendors are all about Big Data, Analytics and agile BI. They have all the answers for how to manage, analyse and report data faster and fancier, to enhance performance management. But are they really performance management experts?
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Phil Green

How Western Electric rules mislead in statistical process control

Posted by Phil Green almost 7 years ago, 5 comments
The statistical model behind control charts for in-control processes is based on the assumption a Gaussian process with no autocorrelation (i.e. independent) with a constant mean and constant variance: in other words a white noise process. The various Western Electric rules try to find patterns that are not white noise, and thus show that the process is out of control.
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Stacey Barr

Are Sparklines Smart Lines?

Posted by Stacey Barr almost 7 years ago, 6 comments
They’re so hot right now, sparklines. They thankfully bring some sanity to performance dashboards (goodbye goofy gauges). But they do have a limitation no-one seems to be talking about…
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