All models are wrong …

It was George Box, a statistician, who is accredited with the quote “all models are wrong, some are useful” – but it is a frequently quoted and well attested observation.  Over my twenty-plus years of modelling, the balance between ‘wrong’ and ‘useful’ in any one model is a constant tension to hold, and to use […]

Helicopters & microscopes

If we lived in a world where helicopters and microscopes were interchangeable we’d clearly be in a bit of a mess. Imagine your satnav giving you instructions for every pothole and divot on the route from home to work each day, or telling you simply to ‘go west’ when you’re faced with a complex network […]

When big data meets Bob Dylan

I’ve been at two modelling and simulation conferences in the last month in which the subject of ‘Big Data’ has been discussed. According to one speaker, a Professor, we are currently producing more bytes of data each year than were produced in the previous 5,000 – each year!  Now I’m good with numbers, but I […]