วันอังคารที่ 20 พฤศจิกายน พ.ศ. 2555

Nate Silver: it's the numbers, stupid

Player

poker and baseball nerd become political forecaster gained fame after predicting the outcome of U.S. elections, with amazing accuracy. And as his star rises so does a whole new generation of "some" leaders of the digital revolution

Nate Silver is a new type of star policy. Someone who really knows what he's talking about. United States, scholarship has always been to have the right kind of hair or teeth or on the right side of the foam. Money has none of these things. It has only numbers. Many of them. And in the night of the U.S. presidential election, proved correct fairly spectacular.

For weeks and months, the election was "very close". Pundit after commenter stated that the election could "go either way". That was "head to head". But this was not the case. In the end, turned out not to be suitable for all. Or simply that Nate Silver had been saying for months. On election day, predicted that Obama was able to win 90.9% in the majority of electoral votes and gnashing of survey data successfully predicted the correct result in 50 of 50 states.

"Do you know who won the election night?" Asked MSNBC TV presenter, Rachel Maddow. "Nate Silver."

Twitter is in crisis. The blogosphere was Nate Silvertastic. Sales of his first book,

signal and noise: The art and science of forecasting

jumped 800% overnight and reached number two on the sales list. And whole sections of the press decided that it was not only a personal triumph for Nate Silver - was the triumph of the nerds. A man and his mathematical model had overcome a political journalists, Spin Doctors, hacks and commentators.

Silver

not much later fame and hottest American television news. Or "The new boyfriend chattering classes", as Washington Post

called. La Plata 34 years is a very convincing Clark Kent before Superman makeover. It is so small, brewing, headlong into the room, looked almost embarrassed by the idea of ??being interviewed. poor Nate. There is a lot to live up to. Pushes glasses up his nose. "It was crazy," he said. But then, it really does not see it. "I became invested with symbolic power. Transcends not really what I do and what they truly deserve. And I would be the first to say I want the diversity of opinions. You do not want to treat a person as an oracle. "

It may be a little late for that, though. The day after the election, he continued

The Daily Show

and Jon Stewart was hailed as "Nate Silver, the Lord, the God of the algorithm."

In other circumstances, if the money had been another type of personality, be more selfish, it could all be a bit much. But it is also a story about the underdog coming out on top. In the weeks before the election, critics of money (especially on the right, angry, he predicted an Obama victory). Attacked not only the methodology, but also

UnSkewedPolls.com Dean Chambers celebrated its "voodoo statistics", said he was "smoking locoweed" and finally declared a "weak and effeminate" man "small "with a" soft-sounding voice. "

There was more than a touch of homophobia criticism (Silver is gay), to say nothing of aversion to scientific rationalism that has come to characterize some areas of the right conservative. (Gawker compared the attack "slap something like jock a mathematics book in the hands of a child saying" NICE NUMBERS, FAG. ")

But anyway, it seems that flattery was more difficult to handle. "It makes me nervous. Because I guarantee you will begin to go wrong," he said. "We" is his blog, FiveThirtyEight (the name of the 538 electoral votes), which was created in 2007 to provide a data-based analysis of the police and, in 2010, moved to the site of the great Cathedral of the new policy and the U.S., the

New York Times

is a fact that reinforces his credentials as Clark Kent. We sit in

Times

of super smooth Manhattan Midtown skyline with its view of millions. And yet, in the days before the election, was rudimentary little blog money, which led to 20% of its traffic. (Is not it a coincidence that DC Comics announced last month that, after 70 odd years, Superman would withdraw from the

Daily Planet

create a blog. ) Silver Because if this is not the Superman of Big Data, it is certainly Supergeek their pin-up boy. And it is clear that learning more about politics without assistance is almost as effective a method of searching for the truth that the stool dodge.

always been a matter of numbers with Silver. "I've always been a bit silly," he said. He grew up in East Lansing, Michigan, the local baseball team, the Detroit Tigers won the World Series when I was six years old, "and had all kinds of statistics and it really was. "

After graduating from the University of Chicago with a degree in economics, he worked for four years as a consultant at KPMG. Then he discovered online poker. "It was the time when there were many people who come on sites that had really no idea," says Silver. He, however, was good enough to take your money, taken in its work "for a time lived the dream of poker. "

Poker is a magnet in the life of the money. He learned about the accident and its role in life. "And I had a better education than anything else I can think of how to weigh the new information, which could be important information that could be lower. Our base instincts tend to be not very proper. Tend to overweight new information. "

Finally, he said, "had this tenuous relationship between skill and luck and ambiguity between the two. Where is this money, I was lucky or was I right? Never can tell. "Estimates made about $ 400,000 (? 252,000) gambling online, simply pursue his other love: baseball. Sport is changing and money has become one of the few People who saw the possibility that it is more objective and information management. has created a website, Pecota, who modeled a system for predicting the career of players in Major League Baseball, then sold the prospectus baseball.

is a battle between the old-school scouts and a new wave of newcomers statistically spirit, a struggle that was said in the bestselling book by Michael Lewis Moneyball

and later a movie with Brad Pitt. In 2007, Silver was casting around for something new.

"I was looking for something like baseball, where a large amount of data and the competition was quite low. It was then that I discovered politics. "It was originally anonymous, calling Poblano, until a few months later, he marginalized.

Silver

thought that taking the available data and the application of Bayesian theory to it, you could have "a few perks." There is a wealth of data on American politics and the Bayesian theory, a way to calculate conditional probabilities has been an English clergyman Thomas Bayes, who first made some time in the early 18th century. It was not, as his critics have been quick to point out, exactly rocket science.

But money is the first to agree. It is not even the only one to have done this. Others have been less successful. Basically, it is absolutely bog-standard statistics. He said electoral data. The project or the "secret" of his model is what gives weight to these data. How is it done in the past, which could be biased, what other information can be exerted on it.

But in the rarefied world of American politics, showed significantly more accurate than was there before. Or even in British politics for that matter. We do not have the same abundance of survey data that exist in America, so that its use could be less successful here, but this has not prevented the Daily Telegraph Janet Daley with a weight on the France elections. On election day, said a win for Romney, arguing that the Obama campaign does not "feel" like a winner to her. Others had a "hunch" that Romney would edge. With competition like that, said Silver, it really was not hard to do something a little less medieval.

What is interesting is that campaigns, especially Obama, the importance of data. They hired a "chief scientist" and, according to campaign manager, Jim Messina, set to "measure everything." Numbers says that the approach and how to approach them.



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วันศุกร์ที่ 9 พฤศจิกายน พ.ศ. 2555

Iran, U.N. nuclear agency to resume talks in December

Iran's Abbasi-Davani attends a news conference during the 56th IAEA General Conference in Vienna


Insurgents kill 8 Afghan police, soldiers

Newly graduated Afghan police officers demonstrate their skills during a graduation ceremony at a National Police training center in Laghman province, east of Kabul, Afghanistan, Wednesday, Nov. 7, 2012. Over 138 Local police officers graduated after receiving one months of training in Laghman. (AP Photo/Rahmat Gul)


AstraZeneca deepens collaboration with academia

วันพฤหัสบดีที่ 8 พฤศจิกายน พ.ศ. 2555

Tunisia in arrested development over human rights, says Amnesty

Arab Spring success in the crisis that the report on the first anniversary of free elections reveals the repression of dissent by the new leaders

Progress on human rights in Tunisia after the revolution of the Arab Spring last year is being reversed by the current government, said Amnesty International, as the country marks the first anniversary of free and fair democratic elections.

reforms that followed the departure of President Ali Zein al-Abidine Ben Ali in January 2011 - including the release of political prisoners, new laws on freedom of the press and associations - have not followed, said. Last October elections were widely hailed as representing a model of transition to democracy.

However, in the latest in a series of tests by international human rights observers, Amnesty says that recent months have seen new restrictions on the freedom of expression of journalists, artists, for people Government critics, writers and bloggers.

"The protesters, who continued to take to the streets in different parts of Tunisia to express their dissatisfaction with the slow pace of reforms have been met with excessive force and unnecessary," said Amnesty adding that has received reports of torture and other ill-treatment ", many of them protesters who were beaten during demonstrations, in custody or in detention centers."


Tunisia was the first and most peaceful uprisings of the Arab Spring, sending shock waves through the Middle East and North Africa when Ben Ali, who had ruled the country since 1987, was overthrown and fled into exile in Saudi Arabia.



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วันพุธที่ 7 พฤศจิกายน พ.ศ. 2555

Free education from political meddling and hand control to teachers

politicians instead of control, that education is in good hands if I had a body independent of the teaching profession at the bar?

Last week I was talking to my father. It is a principal retired, who taught for 50 years (from 1957), I am a teacher who began 17 years ago. We, as teachers do, put the world in order. The conversation included Gove (of course), Ofsted (how boring is Wilshaw), review problems, finance, labor, SATS, and so on, the usual subjects. This is usually the same conversation we had for nearly 20 years. Gove swap Baker, Wilshaw for Woodhead. But this time the conversation ended differently. Usually, we have a whinge, discuss how things can be done differently and I agree that we would do a better job at every opportunity. We love to complain (what teacher does not), but we always ended our conversations accept things that are generally better than they were in the past.

Essentially, we are both educational and optimistic, even though we complained the details have always believed that things are improving in general. Although the people who run the educational system are the politicians who know nothing about education (with some exceptions), most are motivated by the desire to improve the life chances of all children (I have said you are optimistic), and its appearance in the wrong direction to operate the political system as well as you can.

Ed Balls is a good example of this type of minister, motivated by all the right reasons to do all the wrong things, not because he wants to destroy the system, but because it is a economist and I know nothing about education. Wilshaw is another example, but of another class (eg Woodhead). Someone who knew a lot about education, but a politician has forgotten what they learned. It is, I believe, sincerely wants to see the system improve and you want to see all the lights of the schools are teaching effectiveness, but destroyed the morale of teachers in some of its expressions less thought and makes it less likely that improved things. He must learn the maxim "things effective, efficient people." Regrettably, it is not a danger to Wilshaw central principle of education for all children have the right to genuine educational experiences that prepare them their future lives.

Gove, on the other hand, is really dangerous. It is powered by a very different ideological motivation and seems to have a profound contempt for the idea that all children should have the same opportunities to flourish and succeed. By his actions since taking office, Gove seems determined to break the consensus education and dismantling 68 years of progress in education. In the emerging system Govite students today and in the future will focus their education on the perceived needs of the economy. Educational experiences, both primary and secondary, has been reduced to a small set of academic skills and knowledge to measure, record and analyze data tracking software. Not enough space for everyone to succeed, so some have to fail. Rigor called.

rigor is the new mantra of modern politicians undisputed education. We hear from both sides. Another is "raising the bar" (a metaphor hate) and "make teachers accountable." All, no doubt, in order to improve outcomes for children and reduce the gap between rich and poor . It is the consensus view. Gove But a different program. He is not interested in fixing or improving education for all. In their eyes, the system does not work, does never worked and not worth fixing. seems that your device is to create a narrow elitist education system that benefits the industry and the privileges of the economic and political elite. He did not intend to increase social mobility. objectives are actually widen the gap, build barriers and make education a business. If you want to see that education in this country will be like once you have finished taking a look at the worst excesses of the American model.

Gove
What could be the end of this article - another in a long list of blogs sadly things have become so familiar recognizing the seriousness of the only way is - until recently, I read the comments sections the end of these blogs and I noticed a theme developing. Among the usual trolls and troglodytes has been a growing number of employees - teachers, parents, academics, students and even Ofsted inspectors - who said enough is enough, we are not powerless in this process. We must take a stand and create opposition to the demolition of our educational system is based on the universal opportunity. Not through unions, whose business is to protect the rights of workers, or the Labour Party, which has made a mess when they had the chance, but by a popular movement of ordinary teachers, parents, students and others who want to protect our education system (with all its faults) and demand an end to this process of ideological destruction.



If you feel the same way then click here to sign the petition and join the opposition to political interference in education and the creation of an independent professional faculty to oversee the protection universal educational opportunities and long-term development of a world-class education for the 21st century.


Tim Taylor is Professor of AST working in Norfolk and editor mantleoftheexpert.com


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วันจันทร์ที่ 5 พฤศจิกายน พ.ศ. 2555

Romney makes late play for centre ground after months stuck out right

Report

Romney

their latest in a series of abrupt changes in direction being wobbly Obama

'47% '

It took more time than expected to arrive, but Mitt Romney finally took the advice of his chief adviser, Eric Fehrnstrom, and turned his campaign for the U.S. presidency in an Etch A Sketch. Fehrnstrom also famous back in March:

"You can kind of shake and start again."

In the first presidential debate on television with President Obama Wednesday night, and media appearances later, the former Massachusetts governor has made several abrupt changes of direction that experienced observers have left Romney flabbergasted. The most dramatic is Thursday evening, when, during an interview on Fox News that all denounced his comments in a famous private fundraising that 47% of Americans dependent on the government.

In the firestorm that followed the publication of Mother Jones notes, Romney has tried to stand up for them, saying they were correct, but elegant set. But Thursday night, which left completely, saying: "In this case, I said something that is just completely wrong."

The turn was the spirit of his presidential debate performance last night, which seems similar revisions superb political positions was projecting the campaign for at least 18 months.

the year, after having spent the entire Republican primary season trying to convince the Tea Party fiscally conservative could trust tax cuts for all Americans that the super-rich, said: "I will not reduce the proportion of taxes paid by high-income people [who] do very well. "

Having spent months attacking the government bureaucracy to hamper the creativity of the market economy, announced that it is now believed that. "The regulation is essential that you can not have a free labor market if you do not control."

political observers reacted to Romney energy shift in the center with surprise, he did not take the decision itself, but made so late in the election cycle. Political scientist Larry Sabato said: ".. Romney has so far ignored the advice of Richard Nixon - go right for the primaries and then back to the center for the general election only respond"



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