In financials, where correlation of performance is high for the properties with major weightings, painting with a broad brush works better.
FORBES: Where To Load Up, Where To Go Lightly In Russell Growth, S&P 500
The Daley administration has defended its promotion policy, offering statistical evidence that differences in scores within bands have no correlation with performance on the job.
According to Jeff Hirsch, whose father, Yale Hirsch, invented the barometer in 1972, the positive correlation between performance for January and the whole year has failed only seven times, including in 2009 and 2010.
This means that the data which shows a negative correlation between stock performance and GDP, has less data in it, and its negative correlation is only roughly 24%, while the analysis which shows a positive correlation between stock returns and GDP has a correlation of 66%.
The Madoff approach had virtually no correlation with the performance of the overall stockmarket.
ECONOMIST: A handful of outsiders come out of the crisis in credit
They found a strong correlation between job performance and the Facebook scores for traits such as conscientiousness, agreeability and intellectual curiosity.
Furthermore, explains Surowiecki, there was no correlation between the performance of the smartest person in the group and the performance of that group.
FORBES: The Case for Crowdsourcing Innovation and Social Change
Paul Lavin of WestLB Mellon Asset Management has found a close correlation between the performance of hedge funds investing in shares and the breadth of the stockmarket.
ECONOMIST: Looking for growth stocks when there is not much growth
Second, a whole host of academic studies have shown there is actually in many cases an inverse correlation between fees and performance.
WSJ: The Experts: Are High Fees Worth It for Funds With Great Track Records?
As he shows repeatedly in the book, both fund and industry performance suffers with growth in size (he calculates the correlation between hedge fund size and performance as -0.42).
There is also a remarkable correlation with the retail sales performance of the brand.
But "there's no correlation between turnout and candidate performance anywhere, " he said.
Likewise, evaluating applicants based on whether they had held multiple jobs for less than six months has no correlation to job tenure or performance.
FORBES: Big Data Debunks View That Job-Hoppers Make Bad Hires
For now the correlation between test results and course performance is .45 (roughly the same as between SAT scores and college GPA).
FORBES: Can An Hour-Long Aptitude Test Predict Startup Home Runs? Adeo Ressi Thinks So
Although he admits that it is hard to prove, he believes there is a correlation between a country's economic performance and the combined sales growth of its multinationals.
My charts on the coefficient of performance among stock sectors show lessened correlation, a good sign.
Their data shows a direct positive correlation between such a learning culture and the performance of the business.
FORBES: The Rising Challenge Of Social Business To HR Departments
But GMI's data were put to the test in an October 2009 study that measured the correlation of GMI's rankings to stock performance from mid-2003 to mid-2008.
Those who are concerned about the deleterious effect of spiralling executive pay in the City are given ammunition in the form of a study by Obermatt, a consultancy, which shows there is no correlation between pay for senior executives and stock performance on the FTSE 100.
He points to the strong inverse correlation between capital spending in the industry and share performance.
Studies show a correlation between more women in senior positions and superior company performance, though it is hard to know whether more sexual diversity improves performance or top-notch firms promote more women.
ECONOMIST: Women in management: A word from your sponsor | The
It would be very difficult to untangle commodity performance from emerging markets, where there is a correlation in both business and portfolio investment.
Equity performance and fear-driven volatility carry a strong inverse correlation.
FORBES: Gold Stocks Look Like Diamonds In The Rough With Metal Making New Highs, Stocks Slumping
The underlying Solactive Global Oil Equities Index tracks the performance of 25 equal-weighted companies that have shown a high correlation to the spot price of oil.
In a release Alinean sent out after the article appeared, entitled "Alinean Research Shows That IT Does Matter, " the firm notes that its research in fact shows no correlation between IT spending per se--at any level--and corporate performance.
应用推荐