second moment


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Noun1.second moment - the expected value of the square of the deviations of a random variable from the point of origin
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
moment - the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value
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References in classic literature ?
But when the second moment had passed, when she found every doubt, every solicitude removed, compared her situation with what so lately it had been,--saw him honourably released from his former engagement, saw him instantly profiting by the release, to address herself and declare an affection as tender, as constant as she had ever supposed it to be,--she was oppressed, she was overcome by her own felicity;-- and happily disposed as is the human mind to be easily familiarized with any change for the better, it required several hours to give sedateness to her spirits, or any degree of tranquillity to her heart.
A second moment they devoted to the wreckage of the same on deck--the mizzen-topmast, thrust through the spanker and supported vertically by the stout canvas, thrashing back and forth with each thrash of the sail, the main- topmast squarely across the ruined companionway to the steerage.
There was the second moment, during which Daddy Jacques was absent and Monsieur Stangerson was left alone before the door.
"The second moment was at the Devonshire Bank, which is actually a corner element made to look like a stone wall, with flowers and the top covered in artificial grass, I think Solo thought he had to jump onto it, but I pushed and although untidy we got over it.
Then came Fife's second moment of magic with Tovey also finding the target to give Richard Cockerill's Myreside men a comfortable victory.
Most everyone in the cosmetics, fragrance and personal care industry is familiar with the terms "The first moment of truth" and "The second moment of truth," coined by Procter & Gamble about 20 years ago.
Here, the simulated spatial variance is obtained using one of two methods; either by fitting the simulated data for the direct beam to a 2D Gaussian function or by numerically calculating the second moment of the peaked distribution as [[sigma].sub.x.sup.2] = < [(x - < x >).sup.2] > where < x > is the average over the direct beam spot.
It was the prelude to a mad finish as England seemed to have secured a draw through Young, only for Robben's second moment of class to give the visitors victory.
Butman and Bucci were previously at Second Moment Capital Management, LLC, a firm they co-founded in New Canaan, Conn.
Lindeberg and Garding [4] introduced the second moment matrix defined in affine Gaussian scale space as the metric matrix (determined by an integration Gaussian kernel and a differentiation Gaussian kernel, which are determined by an integration scale matrix and a differentiation scale matrix respectively.
That split second moment that sticks in your mind when they achieve the unimaginable." The pictures were commissioned by FA Cup sponsor E.ON.