调查误差
- 网络survey error;Error in Survey;ascertainment error
-
抽样调查误差的产生及控制
On the Occurrence and Control of Surveying Sampling Error
-
从遥感混合像元成像原理、误差产生过程、随机误差的概率分布等方面分析了遥感调查误差的大小。研究方法:定量分析法。
In this paper , quantitative study of errors has been made based on fundamentals of mixed-pixel image , error-generating process and stochastic distribution of errors .
-
本文结合调查误差分析的理论,根据网络自身的特点,分析了网络调查的非抽样误差的来源,并提出了减少误差的方法。
With theory of error analyzing and characteristics of Internet , this article analyzes the non-sampling errors of Internet surveys and comes up with some steps to reduce them .
-
海洋常规调查数据误差来源初探
Preliminary analysis of error sources of data from routine marine investigations
-
该调查的误差率为正负2%。
The poll 's margin of error was plus or minus two percentage points .
-
调查结果误差为上下三个百分点。
The margin of sampling error for all adults was plus or minus 3 percentage points .
-
谈谈抽样调查中误差的控制
Error Control in Sample Survey
-
该调查没有计算误差幅度。
The poll did not include a margin of error .
-
该调查的抽样误差为正负1.9个百分点。
It has a sampling error of plus or minus 1.9 percentage points .
-
人口变动情况抽样调查的抽样误差分析
Analysis on Sampling Errors of Population Change Survey
-
统计调查中回答误差的计量
Measurement of the Response Error in Statistical Surveys
-
有限总体下敏感性问题的抽样调查方法与误差估计
A Sample Survey Method and the Variance of the Estimate on the Sensitive Question of the Finite Population
-
调查结果的误差在正负1.09个百分点之间。
The overall results have a sampling error of plus or minus 1.09 percentage points , it said .
-
方法用常规检测方法,对工作中有误差反馈的生化检验结果,重新取标本检测或对标本复检,调查其引起误差的原因。
Method For biochemistry test results with error feedback , the exemplar was taken again or rechecked using routine methods , and error reasons were analyzed .
-
单频GPS接收机在国土资源调查应用中的误差分析
Error analyse of the single frequency GPS receiver in land and resources investigation
-
论抽样调查中非抽样误差及其控制
On Non-Sample Errors in Sample Investigation and the Control to Then
-
红松成过熟林伐区调查设计中资源误差的分析
Error analysis of resources in survey and design for over-aged korean forests
-
网上调查的非抽样误差分析及其控制
Nonsampling Error Analysis and Control of Investigation on Internet
-
浅谈问卷调查中非抽样误差的控制
On Control of Non-sampling Errors in Questionnaire
-
抽样调查中无回答误差的研究
Study of Non-response Error Among Sampling Survey
-
抽样调查的系统性误差控制
Control of Systematic Errors in Sampling Survey
-
条件的影响是有匹配样本的连续调查特有的计量误差来源。
Condition effect is an important source of non-sampling error in continuous surveys with matched samples .
-
结果表明,“平均受害丛率”在不同调查者之间的误差小于“平均受害株率”。
The results showed that the error of mean DPRC was lower than that of mean DPRP .
-
为了消除原始调查数据的随机误差,还采用两倍三天移动平均的方法来对原始数据进行修匀。
To destroy the random error , the original data are smoothed with the method of double 3-day moving average .
-
非抽样误差是统计调查中除抽样误差以外,由于各种原因而引起的误差,对调查结果的影响非常大。
Except of sampling errors , Non-sampling errors are aroused by all kinds of reasons in statistical survey , and the more important , they can affect the result of survey badly .
-
该调查是在9月10-24日间进行的,调查结果的最大误差为正负3个百分点。
The poll was conducted Sept.10-24.The maximum margin of error was + / - 3 percentage points .
-
纽约波基普西学院的调查者对938名美国成年人进行了电话调查,调查的误差率为3.2个百分点。
Pollsters at the Poughkeepsie , N.Y. college surveyed 938 US adults by telephone . The margin of error is 3.2 percentage points .