1)  Spearman's rank correlation coefficient
Spearman秩相关指数
2)  SP
SP
1.
Mineral Catalyzed to Synthesizing SP and SP-C;
矿物质催化合成SP及SP-C
2.
Polymer and SP and XT bi-crosslinked profile control agents:research and application;
聚合物与SP及XT双交联调剖剂的研究与应用
3.
Effect of Oubining on the Change of SP and NK_1-R Induced by Cisplatin;
呕必宁对顺铂诱发脑及胃组织SP及NK_1受体改变的影响
3)  substance P
SP
1.
A triple immunofluorescence histochemical staining technique was used to examine the connections between serotoninlike immunoreactive (5-HT-LI), substance P(SP)-LI terminals and thalamic(TH)- or para brachial (PBN) - projection neurons in the superficial laminae(lamina Ⅰand lamina Ⅱ) of the caudal spinal trigeminal nucleus(Vc) in the rat with con focal laser-scanning microscopy.
用免疫荧光组织化学三重染色技术观察了大鼠三叉神经脊束核尾侧亚核(Vc)浅层(Ⅰ层和Ⅱ层)内向丘脑或臂旁核投射的神经元与下行性5-HT样和初级传入的SP样终末之间的联系。
4)  SP-A
SP-A
1.
The Expressions of Napsin A、SP-A、TTF-1 in Discriminating between Primary Adenocarcinomas and Metastatic Tumors of the Lung;
原发性肺腺癌和转移性肺肿瘤中Napsin A,SP-A,TTF-1临床病理学意义
2.
The Ultrastructural Pathology Change, Immunohisto-Chemical Assay and Analysis of AGEs and SP-A in Diabetic Lungs;
糖尿病肺组织超微结构病理改变及AGEs、SP-A的免疫组织化学检测和分析
5)  Rhodococcus sp
Rhodococcus sp
1.
Isolation,Identification and Degradation Characteristics of a Quinoline-Degrading Bacterium Rhodococcus sp.QL2;
喹啉降解菌Rhodococcus sp.QL2的分离鉴定及降解特性
2.
Culture Conditions for Cholesterol Esterase Formation of Rhodococcus sp.and Partial Properties of Cholesterol Esterase;
Rhodococcus sp.发酵条件及其胆固醇酯酶的部分性质
3.
The Study on Optimization of Fermentation Conditions for Nitrile Hydratase Production by Rhodococcus sp. SHZ-1 and Its Enzymological Characterization;
因此本文对产腈水合酶菌株Rhodococcus sp。
6)  Paracoccus sp
Paracoccus sp
1.
A monocrotophos [dimethyl(E)-1-2-methylcarbamoylvinylphosphate or MCP]-degrading strain named as M-1 was isolated from sludge collected from the wastewater treatment pool of a pesticide factory and identified as Paracoccus sp.
从某农药厂废水处理池的污泥中分离到1株久效磷高效降解菌株M-1,经过对其形态特征、生理生化、以及16S rDNA序列分析,该菌株初步鉴定为Paracoccus sp。
参考词条
补充资料:Spearman等级相关系数


Spearman等级相关系数
Speannan coefficient of rank co -rrelation

  S,汾诩日n等级相关系数〔S,翔m.II以吧伍d.成of拍Ilk田‘叮eladon:仓“PMe“a幼砷巾.双“eRTp明ro即兹幼pPeJI,”““} 两个随机变量X和Y相依性的度量,基于戈和Y‘在独立观测值偶(X,,Y,),…,(戈,Y。)中的等级或秩.设观测值X的秩(份砍)等于i的数偶(X,Y)中,观测值Y的秩为R‘,则S户汾n刀an等级相关系数r、定义为: xZ带/.。+1\/_n+一\ ”Ln一1)·百:\乙/\‘乙/该式等价于 6于,, r一‘一石石二万了‘谷d:,其中d,是观测值戈和Y,的秩之差.r,的值介于一1和+1之间,且当两个秩的序列完全重合,即i二R,(i二1,二川时r、二+1;而当两个秩的序列顺序恰好相反,即卢一(。+x)一R:(i=1,二,n)时r、二一1 .Spean刀以n等级相关系数,同任何其他秩统计量(扭nk sta出tic)一样,用于检定关于两个变量独立的假设.假如变量独立,则Er、二0,or,二l/(n一1).因此,根据r、对0的离差值可以判断变量是否独立.为建立相应的检验准则,对于独立变量X和Y计算几的分布.当4城n‘10时利用精确分布的数值表(见【21,【41);当n>10时,例如可以利用下面的结果:当n一卜。时,随机变量了石丁了r、的极限分布是标准正态分布.在后一种情形下,否定独立性假设,如果}r、}>。:一“/2/V下二万,其中:1一二12是方程小(u)=l一州2的根,而。(u)是标准正态分布(nornlal dis川but10n)函数. 在X和Y有联合正态分布的条件下,其相关系数(~lation以又币cient)为(普通)相关系数,记作P,则当n~田时, 。·,一令ares‘n普,从而变量Zsin(兀r,/6)可作为p的估计量. SP‘l~等级相关系数以心理学家C .Spearr压功的名字命名(l9(科),他在心理学的研究中用此相关系数代替普通相关系数.基于Sp~等级相关系数的检验与基于K改吐山等级相关系数(Ke以坛11 coeffieientof份nkco汀e】atlon)的检验是渐近等价的(当。=2时相应的秩统计量重合).【补注】 【拟IH稣k,J词Sidak,2.,TI切侧of化欣test,入以d. Press,l%7. IA21 Holla刀der,M.and Wolf,D.,NOnParametne statis- tical methods,Wilcy,1973周概容王健译
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。