Skip to main content

Predictability

I love models. Yes, metoo ... But I'm talking about algorithms here. Those who are a bit into mathematics know that with a little curve fitting you can go all the way. Lets aside Fourier. If you do not understand this, then I advise you to look at this Homer (Simpson) orbit example:
Maybe now you understand that a climate model can be made for any outcome. And then you also understand that it is wise to let the value of a model depend on any proof of the correctness of a model by testing it against measurements. The models of the club of Rome, for example, have not (yet) come true while they already beat the already known dates.

Is this bad? Not at all. We do not learn much without modeling and testing. I do have a problem with the way the press deals with modeling. They publish a scientific research as fact or almost fact at the moment that it offers sensational outcomes. Again something like that today!

'Coming four years will be unusually warm'

Fortunately, the text does add nuance "Drijfhout and his colleague concluded that the probability that the earth is warmer than normal until 2022 is according to them a consequence of a kind of break in global warming between 2000 and 2014. In that period the oceans have absorbed more heat, which is now coming back, but that expectation is dependent on other factors, for example volcanic eruptions and a changing amount of CO2 emissions can affect the global temperature. "

For the time being, meteorologists can not produce a reasonable weather forecast much further than a week ahead. Everything else is fun, interesting, valuable science, but nothing more. Whatever the press dakes from it.

Comments

Popular posts from this blog

Brussels could do a better job

Abstract Legal systems should enable good public services, not just complicate things. We (the people) don't really need governments, we need good public services. These days, too little is done to ensure a level playing field for companies on a global scale. Enabling big companies to lock buyers into their influence sphere and squeeze as much as possible money out of them. Below three examples where our public services fail. Selling hardware with preinstalled OS should be illegal If a consumer buys a smartphone or a personal computer, it is always sold with an operating system preinstalled. This fixes the consumer into the commercial influence sphere of the hardware seller. Apparently, the Brussels bureaucracy is not really interested in a plane playing field that enables European suppliers to participate in the smartphone and desktop computing market. Would Brussels really be interested in a plane playing field, it would not be allowed to sell end-user devices (smartphones and pe...

The end of Windows is underway

Thanks to the virtual machine (VM) revolution, slowly but surely UX (unix like) operating systems are becoming the defacto industry standard. All Apple OS-es are UX based. Android is UX based. All internet is UX based. The whole Linux family of OS-es are UX based. The only remaining exception is Windows. The virtual machine revolution and cloud based (UX) computing is nail in the coffin for Windows however. Now  Google acquired Cameyo and with that brings Windows apps to ChromeOS. It is only a matter of time and all the functionality only available on Windows will be available as a SaaS or ( first  in VM mode) on Linux. All companies (for example SolidWorks ) start to offer SaaS, forced by the market. They feel the pressure  of OnShape . Most development work is already done on Linux based machines. Windows is also becoming legacy because there is extra cost involved to make apps for Windows compatible  with the newest generation of hardware (linke Tablets). This is...

Localization is not one class, they are four

It is rather stupid that localization and language in web-apps are the same. They are not one, but separate classes. While US English is the dominant language in science, the old Roman Imperial measurement system is not. One should be able to use en-US for spelling etc. While using metric measure; ISO date format and in numbers the ‘,’ for thousand separator and the ‘.’ for decimal separator. So there is not 1 class, there are four: language; measure-system; dating-system and number-notation system.