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2017
In this chapter, we examine elementary knowledge of mathematical relations from a higher point of view. Having understood the elementary relations thoroughly, we will conclude that many deceptively complex problems are grounded in simpler principles.
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Equating Error in Observed-Score Equating

Applied Psychological Measurement, 2006
Traditionally, error in equating observed scores on two versions of a test is defined as the difference between the transformations that equate the quantiles of their distributions in the sample and population of test takers. But it is argued that if the goal of equating is to adjust the scores of test takers on one version of the test to make them ...
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Partial Differential Equations and Difference Equations

Proceedings of the American Mathematical Society, 1965
(1. 1) Pi(alax)y = ? (1 _ i _ m) where x = (x1, * , xn), a/ax = (a/ax1, *, O/0xn). The Pi's are assumed to be homogeneous polynomials with real coefficients. The term solution is used to include the generalized solutions. A generalized solution is any function continuous on R which is a uniform limit on compact subsets of CX solutions (see [2, p. 65]).
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Effect of Statistically Matching Equating Samples for Common-Item Equating

ETS Research Report Series, 2021
Sooyeon Kim
exaly

Programming with Equations