MEDIAN

作品数：316被引量：399H指数：9
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Median cross-validation criterion被引量：1
《Chinese Science Bulletin》1997年第23期1956-1959,共4页YANG YingDepartment of Applied Mathematics, Tsinghua University, Beijing 100084, China 
CONSIDER the nonparametric median regression model Yni = g (xni) + εni, 1≤i≤n （1）where g: [0, 1]|→R is an unknown function of interest; {xni, 1≤i≤n} is the fixed des...
关键词：MEDIAN CROSS VALIDATION Bahadur’s REPRESENTATION ASYMPTOTIC oplimality. 
Recurrent sequences in median filters (II)
《Chinese Science Bulletin》1996年第16期1332-1334,共3页周性伟 闫宁 
1 Introduction Throughout this note k denotes a fixed integer and k>1. Let x={x(n)}_n=0, ±, ±2,… be a real sequence. For each integer n, we denote by x(n) the median value of the following 2k+1 numbers: x(n-k), ...
关键词：MEDIAN FILTERS RECURRENT SEQUENCES 
Recurrent sequences in median filters (Ⅰ)
《Chinese Science Bulletin》1995年第3期185-189,共5页周性伟 王翠香 
1 Introduction In this note k denotes a fixed integer and k≥2. Let x={x（n）}n=0,±1,±2,… be a real sequence. For each integer n, we denote by x1（n） the median value of the following 2k+1 nu...
关键词：MEDIAN FILTERS RECURRENT sequences. 
STUDY ON THE EOLIAN DUST FLUX OVER THE LOESS PLATEAU:AN EXAMPLE被引量：3
《Chinese Science Bulletin》1990年第19期1627-1631,共5页安芷生 肖举乐 
The wind is a basic factor in the atmosphere subsystem in the Earth system, and an agent in transferring the mass and energy within the system. The grain size and mass flux of the eolian dust in the Neocene deep-sea s...
关键词：median(Md) apparent DRY BULK DENSITY true DRY BULK DENSITY EOLIAN dust flux. 
KERNEL METHOD ON CONDITIONAL MEDIAN ESTIMATION被引量：1
《Chinese Science Bulletin》1987年第9期642-643,共2页刘志军 涂冬生 
Let （X, Y） be Rd×R1-valued radom vector, and Fx（y） be the conditional distribution of Y given X=x∈Rd. The conditional median is ρx=inf{y: Fx（y）≥1/2}. Suppose（X1, Y1）, （X2, Y2）,…, （Xn, Yn） are the i. i...
关键词：estimator kernel CONDITIONAL VALUED 气月 MEDIAN SUPPOSE otherwise CONST BOOTSTRAP 
STUDIES ON THE MECHANISM OF EFFECTS OF STARVATION ON PROLACTIN SECRETION
《Chinese Science Bulletin》1984年第12期1690-1694,共5页谢启文 
It was noticed some fifty years ago that starvation resulted in clear alterations in pituitary and secondary functional disorders of the organism. However, the pathogenesis of these changes has not been elucidated. St...
关键词：alterations PATHOLOGIC pathogenesis fifty elucidated noticed PITUITARY MEDIAN ORGANS PRESSING 
A STUDY ON THE BIOLOGICAL CHARACTERISTICS OF AN ESTABLISHED HUMAN GASTRIC ADENOCARCINOMA CELL LINE (SGC-7901)
《Chinese Science Bulletin》1982年第12期1355-1358,共4页杨金龙 沈祖铭 韩家娴 
Stomach cancer is the highest incidence and mortality of all malignant tumors in our country. Establishment of this human stomach cancer cell line in culture may provide in vitro a model for early diagnosis, treatment...
关键词：STOMACH mortality prevention INCIDENCE briefly CELL SGC-7901 strie noted MEDIAN 
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