نتایج جستجو برای: Squares Fit

تعداد نتایج: 139305  

2002
R. MESERVEY

MESERVEY, R., 1971. The coastline fit of Africa and South America. Palaeogeography, Palaeoclimatol., Palaeoecol., 9: 233-243. It has become axiomatic that the pre-drift reconstruction of Africa and South America is to be made by fitting together the continental shelves. Although this procedure is very plausible, actually the detailed fit of the coastlines is better than that of the shelves and ...

2001
Martin T. Wells Sreenivasa R. Jammalamadaka Ram C. Tiwari

Let X,, , X, be a sequence of independent and identically distributed random variables with an unknown underlying continuous cumulative distribution function F. Relative to this unknown distribution function suppose one would like to test a null hypothesis concerning the goodness of fit of F to some distribution function using symmetric functions of sample spacings. In some applications the nul...

2006
Soonja Choi

This study examines whether language-specific input influences children’s nonlinguistic spatial cognition as they acquire their first language. Recent research on infant cognition has shown that preverbal infants can make a distinction between tight-fit and loose-fit containment relations. This distinction is systematically made in Korean (kkita ‘fit tightly’), but not in English (in). Using a ...

Journal: :SIAM J. Scientific Computing 2004
Oscar Chinellato Erwin Achermann Oliver Bröker

Decisions are often based on the results of quantitative analysis. To gain confidence in these results, some indication of their quality is needed. Measurement uncertainty, as proposed by the International Organization for Standardization (ISO), is a way to express this quality. Most measurement techniques compare references and therefore need to be calibrated. Usually least squares methods ign...

Journal: :Applied Numerical Mathematics 2009

Journal: :Journal of outcome measurement 1998
R M Smith R E Schumacker M J Bush

Throughout the mid to late 1970's considerable research was conducted on the properties of Rasch fit mean squares. This work culminated in a variety of transformations to convert the mean squares into approximate t-statistics. This work was primarily motivated by the influence sample size has on the magnitude of the mean squares and the desire to have a single critical value that can generally ...

2004
Kenneth A. Bollen

A controversial area in covariance structure models is the assessment of overall model fit. Researchers have expressed concern over the influence of sample size on measures of fit. Many contradictory claims have been made regarding which fit statistics are affected by N. Part of the confusion is due to there being two types of sample size effects that are confounded. The first is whether N dire...

2006
W. Todd Maddox Grant C. Baldwin Arthur B. Markman Greg Ashby Richard Ivry Arthur Markman

This paper builds a bridge between research on regulatory focus in motivation and classification learning. It tests the hypothesis that a fit between the situational regulatory focus and the reward structure of the task leads to greater cognitive flexibility than a mismatch between situational focus and the reward structure and that the fit between the regulatory focusinduced processing charact...

2014
Adam Hampshire Adrian M. Owen

Article history: Received 17 March 2014 Received in revised form 5 May 2014 Accepted 8 May 2014 Available online xxxx In this invited response, we first note that contrary to the claims of Haier and colleagues, they were not part of the review process for the article Fractionating Human Intelligence. We then expand on the rationale underlying the primary objective of the study, to determine whe...

2014
Miho Sasaki Misa Sumi Sato Eida Ikuo Katayama Yuka Hotokezaka Takashi Nakamura

Intravoxel incoherent motion (IVIM) imaging can characterize diffusion and perfusion of normal and diseased tissues, and IVIM parameters are authentically determined by using cumbersome least-squares method. We evaluated a simple technique for the determination of IVIM parameters using geometric analysis of the multiexponential signal decay curve as an alternative to the least-squares method fo...

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