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Aaron McDaid
Works at IUMSP, Lausanne, Switzerland
Attended University College Dublin - National University of Ireland, Dublin
Lives in Dublin, Ireland
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Aaron McDaid

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Still haven't seen "green shoots" in the eurozone economy? Everyone is finally accepting that things are bad. The economy just isn't growing fast enough.

Now, at long last, is this the time when the politicians will finally accept that more assertive measures are needed? Unfortunately, I'm not counting on it. Yes, there's obviously a problem - but we'll still get a few more years of politicking over how to fix it.

Sony Kapoor writes:

"While this [buying loads of SME loans directly from banks] goes beyond conventional QE, it may be necessary in the euro zone’s bank dominated system."

i.e. give money to people who will spend it (not banks).

"... perhaps the most determinant for successful QE will actually be a looser fiscal stance."

i.e. governments should be required to run a larger deficit, not a smaller one. This is probably the best way to do it, there's only so much the central banks can do fiddling with interest rates. And if national governments won't do the right thing, shouldn't the EU itself directly tax/spend/borrow on its own account?
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Prag Sharma gives a good overview of how industry and academia work together in Ireland. The funding bodies, the universities, and so on.
If you are a company (small, medium or large) looking to apply research and innovation to your business challenges, engaging with academia can often help. What is more, if you are keen to engage with academia and leverage the...
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UTF-8 is the best hack… ever. +Tom Scott explains why in a +Computerphile video.

A less than 10 min talk how utf-8 works. A must see for every utf-8 user, that means every user of the internet, that means you. 
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Substitute 'maths' for 'music', and you'll understand what this is all about!
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How to write a math slideshow.

The best set of slides I've seen in a long time.
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How to correctly guess the type of your hat, without having any information about it.
 
Suppose that you’re at a party where every guest is given a hat as they walk in.... http://i.cx/11kEKJd
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Aaron McDaid

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A four-minute mile may have been run in the 18th century.
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"I discovered something about myself—I have an amazing gift to always make the very best technology choice."
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+1 for  In my heart I knew that Java was bad and evil.

Which it is of course.
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Good article about challenges facing the Irish government in its research spending.  It reflects what I've heard from fellow academics:

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... The innovation strategy should be simplified, it says, “with a drastic reduction in the number of government agencies involved in funding innovation” – 11 at last count. It suggests a small number of agencies would be sufficient, with one dealing with applied research and innovation, and another with science and basic research. A high level coordination committee is also needed, it says, to prevent gaps or duplication. All this, it says, would allow a better focus on strengthening links between the business and academic communities, it adds.

It also calls for the development of applied research centres. The Paris based organisation agrees with the strategy of focusing on attracting high-tech multinationals, but adds that there could be more “spillover” between such companies and domestic SMEs – a sort of knowlegde, skills and overall innovation transfer. Firms involvement in patenting intellectual properties is below the average of 15 other OECD countries in nearly all industries, it points out.
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It's been a while since biology impressed me.  But a wasp smaller than a millimetre is pretty cool.  Impressive details here ..
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This is a good article all round.  This little snippet made me chuckle.  I've been a little suspicious about genetic algorithms: Simulated annealing tends to work quite well, but genetic algorithms do not.  “When computer scientists heard about genetic algorithms their eyes would light up, but after a few months of trying to solve problems in the lab, they were always disappointed,” Papadimitriou says. “It was a paradox – how come nature’s favorite trick falls on its face when done digitally?”
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“I've talked to some GA people and seen some presentations, and I have to say that I think GA researchers should communicate this more clearly.  By overselling their research as a dropin replacement for, and improvement upon, all optimization strategies, GA researchers risk losing some credibility.”

To elaborate on the above - I think there’s a tendency in the GA research community (and perhaps this generalizes to researchers who specialize in a particular technique, be it within ML, optimization, or otherwise) to miss out on the bigger picture of where their research fits in with research in the wider field. It’s easy to get caught up researching how and why the algorithm works (and doesn’t work), or in optimizing a GA for an application area/type, and to forget to context in which this work sits - i.e., what types of problems do GAs do a good job at solving. Also, there isn’t enough benchmarking carried out against other techniques - this is maybe one place where we as GA researchers lose credibility.

Having said that, I’m not sure that GP is only suitable for solving dynamic optimization problems. I’ve ended up working on dynamic problems (and how to induce robustness more generally) partly by accident. I’m not the best person to conclude anything that applies generally about the utility of GP/GAs outside of those problem-types (i.e. noisy/dynamic problems). But I agree that the GA research community as a whole should focus on demonstrating results across a variety of problem-types, and show how they stack up against alternative approaches, and move the focus away from evangelizing about the technique. 

“To be truly dynamic might mean that selection and evolution continues in the dynamic environment.  i.e. that we are not using a single individual, or a static population of individuals, to try to drive our decisions.  I take it this is what you mean?  “

Yes, that’s what I mean. People use “random immigrants” (randomly generated individuals, introduced into the population, replacing existing individuals) when they detect that the environment has changed. Another approach involves using a constantly updated memory of solutions that have done well in the past (suitability depends on the characterization of the environment).

“You want it to be the case that certain "patterns" in the market data appear again and again, allowing the relevant robust "gene" to become useful again in the future.”

I haven’t looked at this at the level of genes - we don’t really work with genes in GP (the genotype and phenotype are the same in tree-based GP) - the closest analogue is a subtree (isolated solution component). (John Mark’s thesis was largely concerned with modularity - that is - isolating useful subtrees to be used when building solutions, but afaik he didn't look at dynamic environments).
There have been studies that have used a memory of individuals that have performed well in the past. This approach is suitable in environments where there is a high likelihood that conditions similar or identical to those seen in the past, will be seen again in the future (e.g. your Christmas example :-)
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The gay Americans who married in 1971
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In his circles
146 people
Have him in circles
177 people
jonathan byrne's profile photo
Georgiana Ifrim's profile photo
Erik Hemberg's profile photo
Abdelkader Mohamed's profile photo
Ireland business directory's profile photo
jessie wan's profile photo
K Osman's profile photo
Conor McDonagh's profile photo
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Statistician and Computer Scientist
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  • IUMSP, Lausanne, Switzerland
    Postdoc in statistical genetics, 2014 - present
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Dublin, Ireland
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PhD student - stats and computer science
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  • University College Dublin - National University of Ireland, Dublin
    PhD, 2009 - 2014
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Aaron McDaid's +1's are the things they like, agree with, or want to recommend.
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Saturday Morning Breakfast Cereal
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News: February 17, 2012. Hey geeks! We're going to be releasing episodes of Marque and James' "Hand To Mouth" on the SMBC

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News: March 06, 2012. True story. Also, people are loving the new sketch, it seems. Oh, and NEW POSTER based on a favorite SMBC. Discuss thi

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News: March 21, 2012. I kid because I love! Discuss this comic in the forum. March 20, 2012. LA geeks! Don't forget to go see James and

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Discuss this comic in the forum November 13, 2011 Hey Sci Fi geeks, if you haven't already read it (it seems to be all over the place),

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News: April 29, 2012. Hey geeks! If you haven't already read about CISPA, you might wish to do so. Discuss this comic in the forum. Apri

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News: April 16, 2012. New video day! Discuss this comic in the forum. April 15, 2012. To everyone who came to see me at C2E2, please see thi

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Read detailed information from NFC tags and contactless smartcards!Have you ever wondered if you unknowingly carry RFID or NFC-enabled cards

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Nexus Torch
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The original and brightest torch/strobe/flashlight app for the Nexus One/S phone's LED camera flash.With variable strobe - party fun! signal

The bus beside the smoking area is a great place to eat, and their pizzas are good. The customers and staff are friendly. I was there last night and there was a game of chess being played!
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