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Google Begat the End of the Scientific Method?
Posted by
CmdrTaco
on Wednesday June 25, @11:42AM
from the well-i-begat-a-roast-beef-sandwich dept.
from the well-i-begat-a-roast-beef-sandwich dept.
TheSauce writes "In a fairly concise one-pager from Chris Anderson, at Wired, the editor posits that all of our current (or now previous) models for collecting data are dead. The content is compelling. It notes that we've entered the Age of the Petabyte — where one can collect immense amounts of data that are paradigm agnostic. It goes on to add a comment from the head of Google's R&D, that we need an update to George Box's maxim: 'All models are wrong, and increasingly you can succeed without them.' Have we reached a time where all of our tool-sets are now made moot by vast clouds of information and strictly applied maths?"
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[+]
Why the Cloud Cannot Obscure the Scientific Method 137 comments
aproposofwhat noted Ars Technica's rebuttal to
yesterday's story about "The End of Theory: The Data Deluge Makes the Scientific Method Obsolete." The response is titled "Why the cloud cannot obscure the Scientific Method," and is a good follow up to the discussion.
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Ahem (Score:5, Insightful)
WTF?
English, ---, do you speak it?
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WTF indeed (Score:5, Insightful)
I saw the article yesterday, but it was so WTFey I just moved on...definitely not Slashdot submission material (especially being a Wired article).
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Re:WTF indeed (Score:5, Funny)
I hadn't seen WTF adjective-ised before, but I love it... there's just so much I can use it with. In fact, I gotta go now and tell my boss how my project is going....
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Re:WTF indeed (Score:5, Funny)
And I hadn't seen adjective verbed!
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Just to clarify (Score:5, Insightful)
To avoid the same fate as the GP, let me clarify that by WTFey I specifically meant that the article was full of fluff, light on details and generally pointless...which makes me think "WTF." The closest thing to a point I could get from the article was "Nice big blobs of data can be useful, and statistical data based on said blobs could replace the results of scientific research." Mmmkay.
A sensational headline leading to a rather pointless article consisting mostly of fluff: WTF.
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Re:WTF indeed (Score:5, Funny)
It reads like some sort of brain-damaged new-age technohippy tripe. Yeah, we don't need methodologies any more, because, maaaan, we've got tubes! Gimme a break.
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Re:Ahem (Score:5, Insightful)
I used to think that I could translate most dialects of bullshit into english but this threw me off guard. The most reasonable explanation is that Chris Anderson is a tool and doesn't know what he is talking about.
For example, data is now "paradigm agnostic". Seriously, wtf? When was data ever not "paradigm agnostic" and when did we develop the need for a term to describe it. Data is data. It is raw, and unanalysed, and as such the notion of a paradigm is completely irrelevant.
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Re:Ahem (Score:5, Funny)
Well, we already know it wants to be free, so maybe now it's just exercising its sentient status in other areas.
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Re:Ahem (Score:5, Informative)
Each claim the others data is unsound by the paradigm's umbrella it falls under.
No, each claim the other's theory is wrong.
Nobody (sane) refutes the existence of ring species, or refutes microevolution, or other observable forms of data. The only thing in dispute in the controversy is "species are species because they were made that way" versus "species are species because after some really big N evolutionary steps they become that way".
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Re:Ahem (Score:5, Interesting)
It's simple really: The article seems to be saying that we have access to such a ludicrously large amount of data that trying to draw any real meaning from it is pointless. So, we employ a "shotgun" approach at reading the data, and voila, we get data that at least appears to be interesting.
Of course, since we have no particular purpose in mind when we do this, and no particular method other than "random", we end up with mostly useless data (in the example given, we have a bunch of random gene sequences that must belong to previously unknown species, but we know nothing about those species other than that we found some random DNA that probably belongs to them, and have no particularly good way of finding out more).
The article seems to be saying that since we have so much data, we can now draw correlations between different pieces of data and call it science. No reason is given why this is useful other than that we have so much of it, and Google is somehow involved. Apparently when you have enough data, "correlation does not equal causation" is no longer true. Again, no coherent reason is given for this stance.
I think the article makes the same mistake a lot of ill-informed people that get excited by big numbers make: It seems to believe that data is in and of itself an end goal, when really vast amounts of data are useless unless it can help us as humans answer questions that we want answered. Yes, knowing that there are lots of species of organisms in the air that we didn't know about before is sort of interesting I guess, but it doesn't really tell us anything useful.
Above all, the article proves that you can be almost entirely incoherent and still get your article published in Wired if it says something about how Google is changing the world.
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So... (Score:5, Insightful)
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How bout no (Score:5, Insightful)
Um, no. Claims like this demonstrate a lack of understanding of what a model is.
From the perspective of physics, the universe is just a massive amount of data--more data than any single human can comprehend at once. But thanks to the models of Newton we have a set of relatively simple equations that describe, generally, the way bodies in the universe interact. The model is not perfect, but it is useful.
Likewise, Google uses a very explicit model to describe the universe of the web: some pages are more relevant to a given search query than others, and these pages will generally be more 'popular' among other important pages. Again, the model is not perfect, but it is useful.
The fallacy is that somehow what Google is doing is a paradigm shift. It's not. It's just applying the same kind of scientific method to a type of data that hadn't existed before.
What, I think, the article is really trying to say is that Google's data is so massive and complex that we can't ascribe any explanation to the results it gives us. First of all, that is false, because the PageRank algorithm in its simplest form does give us a very explicit explanation (popular pages generally return better results). But even if it were true, Newton faced the same kind of accusations when people called his model of the universe 'Godless' and claimed, for example, that he decribed how gravity works without actually explaining "why" it works like it does. And that accusation is always with science. There are always more questions raised than answered. This is nothing new.
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Don't rule science out it. (Score:5, Insightful)
The article is utter nonsense. But it's such a rambling mess it's hard to know where to start picking it apart. Perhaps the best is when he presents as an example of this new "model-free" approach with a program which includes "simulations of the brain and the nervous system". Uh, hello... a simulation IS a model.
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Re:Don't rule science out it. (Score:5, Funny)
He didn't bother writing more than one rambling page because he figured someone said it better somewhere else on the internet and that we're all bound to find it.
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Re:Don't rule science out it. (Score:5, Interesting)
I suppose you could start where he, again, tries to present the argument that correlation really is "good enough" - causation be damned. What he is blattering on about is that you can infer lots of things via statistical analysis - even complex things. That's certainly true. Where he fails (and it's an EPIC fail) is his assertion that this method is a general phenomena, suitable for every day use.
The other major failure of TFA is that I can't find a car analogy anywhere.
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Re:Don't rule science out it. (Score:5, Insightful)
The article does not make a compelling point. It keeps saying that we can give up on models (and science), because now we just have lots of data, and "correlation is enough." What utter BS. Establishing a correlation is not enough. Even if it is predictive for the given trend, it doesn't allow us to generalize to new domains the way a well-established scientific model does. If an engineer is designing a totally new device, that goes above and beyond what any established device has done, what data can he draw upon? If there is no mountain of data, he must rely on the tried-and-true techniques of engineering/science: use our best models, and predict how the new device/system will behave.
The article actually makes this point perfectly clear when it says: Indeed. Merely having tons of data doesn't actually give you insight into what you have measured. You must distill the data, pull out trends, and construct models. I just don't see how have mountains of data about a species, but still being unable to answer simple questions about it, is superior to conventional science (which can answer questions about the things it has discovered).
A deluge of data and data-mining techniques is a boon to science. But I don't see the benefit of giving up on the remarkably successful strategy of constructing models to explain the phenomena we've observed. I somehow doubt that having 20 petabytes of data on electron-electron interactions is more useful than having a concise theory of quantum mechanics.
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My Start menu has been Googled (Score:5, Insightful)
For example, for years I would pride myself on my well-tended Windows Start menu. I'd create base categories for my application folders like Hardware, Games, and Internet, and move applications into those folders to keep my Start menu manageable. I blogged about this procedure [demodulated.com] and included a screenshot.
Now that I'm using Vista I have little need to be so organized. I rarely have to navigate manually to an application folder thanks to the embedded search box on the Start menu. So now my Start menu is a huge clutter, but so what? I see that exercise as futile as dusting the cardboard boxes in the attic.
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What question do you ask the data. (Score:5, Insightful)
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Google =/= scientific method (Score:5, Informative)
That an incredible amount of data exists on any given topic does nothing to describe relationships, causality, precision, accuracy, distribution, correlation, or anything else. Data is information, and information must be processed in order to make it meaningful. Additionally, everything that's written, printed, published, etc, is not necessarily true, accurate, precise, etc.
If anything, the Google phenomenon demands more rigorous examination by accepted methods.
The preceding message has been brought to you by Captain Obvious and the letters O,R,L,Y.
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No. (Score:5, Insightful)
Second, in my experience with large sets of data, you can do all kinds of math to them to bring out interesting relationships but someone with domain expertise is going to have a much better insight into what the data is saying than someone who doesn't. It seems the peak of hubris to think that the techniques taught in every science (social, hard, or otherwise) are worth nothing compared to massive amounts of data. How do you know where to get the data from? How do you apply the data?
I don't think it's quite time to throw out "correlation != causation". In fact, I think now more than ever we need to be able to understand underlying phenomena behind the data precisely because there is so much of it. With so much data, coincidental correlation is going to happen quite often I'm sure.
And, of course, the ultimate reason we need to understand things is for, you know, when the cloud's not there.
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Wrong (Score:5, Insightful)
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Interesting, ranty, and wrong (Score:5, Insightful)
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Biggest Data Collector LHC relies on Models (Score:5, Insightful)
I thought this was a joke at first. One thing to think about is that the biggest data collector of them all, the Large Hadron Collider, which fits the frame given perfectly - delivering terabytes of data in huge data sets is just the opposite of the described scenario. Models are crucial to actually picking what data is actually recorded. In fact a large part of how good the LHC data will be will be in using models to select what events to capture. The way the data is captured is of course also based on long effort and knowledge from previous detectors. This isn't just randomly, or even generically selectively gathering data and then analyzing it. This is targeted data gathering based on complex scientific theories. There have been shouting matches at what to tag for collection based on what people think is important for a given theory - and these will happen again.
As our collection abilities rise exponentially, the the storage and analysis abilities are not exponentially growing, even though they are increasing at a fast rate! I would argue exactly the opposite of what this article said. We are going to be more and more dependent on our current scientific theories to even be able to choose appropriately the rich data that new sensors and techniques will let us collect. That is we are more and more dependent on our scientific theories when we get data not less. Did we even know to get methylation data when sequencing a genome. How about some other "ylation". Without background theory and experience we wouldn't even know some of that stuff was there to collect!
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Re:Definitions (Score:5, Insightful)
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Re:Definitions (Score:5, Insightful)
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