不等概率抽样,unequal probability sampling
1)unequal probability sampling不等概率抽样
1.It adopts the probability sampling method of unequal probability sampling correction and can makes up the insufficiency of equal probability sampling estimation in the spot check.不等概率抽样估计是一种十分有效的抽样推断方法,它在实践中有着广泛的应用,采用不等概率抽样修正等概率抽样,可以弥补抽样调查中等概率抽样估计的不足。
2.In this paper,a model-calibrated pseudo-empirical likelihood method for constructing confidence intervals of Y and F(t) is considered under unequal probability sampling without replacement when complete auxiliary information is available.本文考虑了在无放回不等概率抽样下,当有完全辅助信息时,利用模型校正的伪经验对数似然方法去构造关于Y和F(t)的置信区间。
英文短句/例句

1.Research on Methodologies of the Auxiliary Information Application to the Unequal Probability Sampling Design;辅助信息在不等概率抽样设计中的应用方法研究
2.Practical Problems of Equal-Probability Principle in Multi-Stage Random Sampling;等概率原则在多阶段随机抽样中的实践问题
3.alternative to probability sampling概率抽样的备择方案
4.probability proportional to size sampling概率比例规模抽样法
5.Inaccuracies in survey data attributable to“ the luck of the draw" in creating a probability sample.在产生概率抽样时由于抽样不足而造成的数据偏差.
6.The Estimation of Mean Under the Circumstances of Non-equal-probability Classified Cluster Sample Survey and Its Nature;不等概分类整群抽样下的均值估计及其性质
7.Selection and analysis of auxiliary factors using sampling method of sub-compartment小班不等概抽样辅助因子的选择与分析
8.Evaluation of Different Protein Probability Calculating Methods Using a Semi-random Sampling Model and Other MS Bioinformatics Studies;利用半随机抽样模型进行蛋白质概率计算方法的评估等质谱信息学研究
9.Estimation of Undetected Error Probability of Block Codes Using Importance Sampling用重要性抽样方法估计分组码的未检概率
10.Calculation methods for probability of acceptance with sampling plan for lnspection by attributes计数抽样检验方案批接收概率的计算方法
11.Acceptance Probabilities for Sampling Inspection by Attributes Based on the Grouping Method in Face of Inspection Error;考虑检验错误的集团抽样检验接收概率函数
12.Analysis of pumped-storage hydro using wind power with different probability distribution parameters of wind speed不同风速概率分布参数下的风力抽水储能分析
13.Sampling procedures and tables for inspection of small lots or batches by attributes for percent nonconformingGB/T13264-1991不合格品率的小批计数抽样检查程序及抽样表
14.Single sampling procedures and tables for inspection having desired operating characteristics by attributes for percent nonconformingGB/T13262-1991不合格品率的计数标准型一次抽样检查程序及抽样表
15.An interval estimation of population frequency by unduplication sampling of a few samples;小样本不重复抽样时总体频率的一个区间估计
16.QUADRATIC COLLISION PROBABILISTIC METHOD AND IMPORTANCE SAMPLING METHOD OF MONTE CARLO CALCULATION FOR FLUX AT A POINT蒙特卡罗计算点通量的二次碰撞概率方法和重要抽样方法
17.Study on Dynamic Average Outgoing Quality on CSP-2-P;概率抽样下的CSP-2方案的动态平均检出质量的研究
18.A New Stratification Sampling Method for Creep Damage Failure Probability一种用于蠕变损伤失效概率计算的分层抽样方法
相关短句/例句

PPS[英][,pi: pi: 'es][美]['pi 'pi '?s]不等概抽样
1.The NDVI value of sub-compartment pixel could be selected as the auxiliary factor of sampling probability proportional to size (PPS).结果表明:(1)采用小班面积×小班郁闭度(即小班树冠投影和)作为不等概抽样(PPS)辅助因子与小班蓄积相关性最好;(2)按龄组与树种组合分类型优于只按龄组或只按树种分类型后辅助因子与小班蓄积的相关性;而只按龄组分类型又优于只按树种分类型后辅助因子与小班蓄积的相关性;(3)小班平均NDVI值×小班面积(即小班像元NDVI值和)与小班蓄积量具有较好的相关性,可以作为小班不等概抽样的辅助因子,而且较小班面积与小班郁闭度之积有更好的现势性和可行性。
2.By using sampling method of sub-compartment that is sampling Probability Proportional to Size(PPS),the volume of sub-compartment had been estimated.笔者选用小班面积×小班郁闭度(即小班树冠投影和),将其作为不等概抽样辅助因子进行了小班类型抽样。
3)Equal Probability Sampling等概率抽样
4)two-stage sampling with unequal probability二阶段不等概率抽样
5)Unequal Probability sampling design不等概率抽样设计
6)stratified sample with unequal probabitities分层不等概抽样
延伸阅读

概率抽样概率抽样:又称随机抽样.概率抽样以概率理论为依据,通过随机化的机械操作程序取得样本,所以能避免抽样过程中的人为因素的影响,保证样本的客观性.虽然随机样本一般不会与总体完全一致,但它所依据的是大数定律,而且能计算和控制抽样误差,因此可以正确地说明样本的统计值在多大程度上适合于总体,根据样本调查的结果可以从数量上推断总体,也可在一定程度上说明总体的性质,特征.概率抽样主要分为简单随机抽样,系统抽样,分类抽样,整群抽样,多阶段抽样等类型.现实生活中绝大多数抽样调查都采用概率抽样方法来抽取样本.