MacBook Air battery replacement

After four years of daily use our MacBook Air informed us that it needed a battery replacement. That's kind of nice to know, in particul...

It is the small data that matters the most

Everyone is talking about Big Data 1 , but it is the small data that is holding everything together. The small slowly changing reference tab...

Approximating the impact of inflation

The other day someone mentioned to me a rule of thumb that he was using to estimate the number of years \(n\) it would take for inflation to...

The Wiener takes it all? A review of the 2014 Eurovision results

Saturday's Eurovision Song Contest (ESC) from Copenhagen was hilarious as usual with acts from all over Europe and some more or less se...

How many more R-bloggers posts can I expect?

I noticed that the monthly number of posts on R-bloggers stopped increasing over the last year. Indeed, the last couple of months saw a dec...

Whale charts - Visualising customer profitability

The Christmas and New Year's break is over, yet there is still time to return unwanted presents. Return to Santa was the title of an ar...

Why models need a certain culture to flourish

About half a year ago Ian Branagan, Chief Risk Officer of Renaissance Re - a Bermudian reinsurance company with a focus on property catastr...

Installing a SSD drive into a mid-2007 iMac

I have a mid-2007 iMac with a 2.4 GHz Core2Duo processor and despite the fact that it is already six years old, it still does a good job. H...