نتایج جستجو برای: special distribution
تعداد نتایج: 853648 فیلتر نتایج به سال:
this paper is concerned with the problem of finding the minimax estimators of the scale parameter ? in a family of transformed chi-square distributions, under asymmetric squared log error (sle) and modified linear exponential (mlinex) loss functions, using the lehmann theorem [2]. also we show that the results of podder et al. [4] for pareto distribution are a special case of our results for th...
The respiratory tract contains numerous peptides secreted from special pulmonary epithelial cells whichare called endocrine cells. The function of neuroendocrine cells is modulated by amines. Serotonin has strong vasomotor and bronchomotor effects in the airway mucosa. The objective of this study was to determine presence and distribution of serotonin-positive endocrine cells in respiratory tra...
Example A.1 (Rayleigh distribution). The Rayleigh distribution R is the chi distribution χ(2), with density xe−x 2/2. This is a special case of Example 3.6, and we have ER = 2Γ(s/2 + 1), −2 < Re s <∞. (A.1) We have ρ+ =∞, ρ− = −2, γ = γ′ = 1/2, δ = 1/2, κ = 0, C1 = π1/2. Example A.2 (Maxwell distribution). The Maxwell distribution M is the chi distribution χ(3), with density (2/π)1/2x2e−x 2/2. ...
The purpose of this qualitative study was to gain an understanding of how families receiving related therapy services experience the transition from early intervention to pre-school special education. Participants were six families with a child who received early intervention services and became eligible for pre-school special education services. Data was collected using in-depth interviews ove...
The use of IQ scores and discrepancy formulas for identifying specific learning disabilities (SLD) has been widely discredited by prominent researchers for more than a decade. Nevertheless, the overwhelming majority of state policies still specify the use of discrepancy formulas, including the simple difference method, which is psychometrically inferior to regression-based methods. This study c...
ABSTRACT Investigated was the relationship between the perceived school adjustment of 215 female and 202 male fourth grade pupils and their classroom teachers' ratings in this area. Examined were the extent of teacher/pupil agreement relative to perceived learning and/or adjustment problems and the relationship between teacher referral or pupil self referral to sex of the child and type of prob...
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