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 标准误
 standard error
 This approach can be applied to examine the fundamental properties of sample statistic , to estimate the standard error of and to determine the 100 (1- α )% confidence intervals containing population parameter θ . 这种方法可用来检查样本统计数 θ的基本性质 ,估计θ的标准误和确定一定置信系数下θ的置信区间 . 短句来源 The estimation of standard error in confidence limits needn't the hypothesis of H_0.When their estimations of standard error are different,the standard error in hypothesis test couldn't be substituted for that in confidence limits. 其根源在于两者的标准误估计是不同的:与假设检验法不同的是,在求置信区间时,计算标准误时不需要假定H0成立。 即零假设被否定后,不应该再用假设检验中的标准误去代替置信区间中的标准误。 短句来源
 standard error
 This approach can be applied to examine the fundamental properties of sample statistic , to estimate the standard error of and to determine the 100 (1- α )% confidence intervals containing population parameter θ . 这种方法可用来检查样本统计数 θ的基本性质 ,估计θ的标准误和确定一定置信系数下θ的置信区间 . 短句来源 The estimation of standard error in confidence limits needn't the hypothesis of H_0.When their estimations of standard error are different,the standard error in hypothesis test couldn't be substituted for that in confidence limits. 其根源在于两者的标准误估计是不同的:与假设检验法不同的是,在求置信区间时,计算标准误时不需要假定H0成立。 即零假设被否定后,不应该再用假设检验中的标准误去代替置信区间中的标准误。 短句来源
 “标准误”译为未确定词的双语例句
 The iterative arithmetic not only saves time and can apply to weight regression, but also is easy to compute residual sum of square, standardized error, variance of coefficient and estimators residual. 当P较大时，此算法非常节省计算量，不仅直观，简单，适用于加权情况，而且便于计算其残差平方和、回归系数的标准误、回归系数的方差和残差的估计。 短句来源

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 standard error
 The pooled weighted sensitivity and specificity of FDT with 95% confidence intervals (95% CI) after correction for standard error were 0.86 (0.80-0.90) and 0.87 (0.81-0.91), respectively. The standard error of determination of the active form of IAA by our method is 1.5-2.0 times less than that using the traditional method. It is shown that the standard error in the measurements does not exceed 0.1log(η). The total relative standard error for applying the method to 20 synthetic samples in the concentration ranges of 20-400 ng/mL Co(II), 60-400 ng/mL Ni(II), and 4-400 ng/mL Cu(II) was 1.53%. However, stochastically independently selected specimens show a larger deviation than the standard error of the calibration. 更多
 standard errors
 According to the calculations, the measurement of the levels of, e.g., oil, petroleum products, and underlying water is possible with relative standard errors of the order of 0.1-1%. For most of the stars, the standard errors in the Mg abundances do not exceed 0.07 dex. As the error of aerosol imaginary index is within 0.01, standard errors of aerosol optical depth and vegetation reflectance solutions for 14 spectral channels from 410 nm to 900 nm are respectively less than 0.063 and 0.063 and 0.023. And as the radiance error is within 2%, the standard errors are less than 0.023 and 0.0056. In case of the homogeneous atmosphere, standard errors of the 120060 upward fluxes from the present model are 1.08% and 1.04% for clean and turbid aerosol models, respectively; and those of the downward fluxes are 4.12% and 3.31%. 更多
 standard error
 The pooled weighted sensitivity and specificity of FDT with 95% confidence intervals (95% CI) after correction for standard error were 0.86 (0.80-0.90) and 0.87 (0.81-0.91), respectively. The standard error of determination of the active form of IAA by our method is 1.5-2.0 times less than that using the traditional method. It is shown that the standard error in the measurements does not exceed 0.1log(η). The total relative standard error for applying the method to 20 synthetic samples in the concentration ranges of 20-400 ng/mL Co(II), 60-400 ng/mL Ni(II), and 4-400 ng/mL Cu(II) was 1.53%. However, stochastically independently selected specimens show a larger deviation than the standard error of the calibration. 更多
 In the preseent paper, after reviewing the statistical analysis of the results of fungicide bioassay, a systematic method of analysis with procedures is presented.It is suggested that for calculating the variance oflogarithm of the effectve dose for 50percent response the following formnla, Vm= DMS is usedunder any condition no matter whether the dosage-response regression lines of the test compounds are parallel or not.For test fungicides with straight regression lines whth difftrent slopes average Ys are suggested... In the preseent paper, after reviewing the statistical analysis of the results of fungicide bioassay, a systematic method of analysis with procedures is presented.It is suggested that for calculating the variance oflogarithm of the effectve dose for 50percent response the following formnla, Vm= DMS is usedunder any condition no matter whether the dosage-response regression lines of the test compounds are parallel or not.For test fungicides with straight regression lines whth difftrent slopes average Ys are suggested to be used for the appraising of the fungicidal activites in the bioassy experimentAn experimental formula, is suggested for transforming the stan-dard error of propit to that of percentage.This method of appraising might also be ueed in the experiment with poisoned agar causing an inhibition zone as a result ot fungicfdal activity.In the appendix, the appraising of fungicidal activity is presented in BASIC computer language for easy programming into CASIO FX-702P hand-held pocket computer. 本文在总结过去的资料基础上结合作者多年工作经验,提出了一个比较完整而系统的对测定杀菌剂毒力结果进行统计与分析的方法。 对测定试验结果的分析与计算表明,用平均回归线的Y值来比较不同杀菌剂毒力的准确度可能与用EC50或ED50的有些差异,但还是可靠的。因此认为,具有不平行毒力曲线的杀菌剂毒力的差别,用值进行比较,是比较方便的。用抑制圈法测定毒力的结果也可以用值进行比较。 通过演算证明了,在使用EC50(或ED50)对数(m)变量(Vm)的计算公式时,不论供测药剂的毒力曲线是否平行均应乘上距回归误差均方(DMS),整个公式为: 本文认为,在用平均Y值进行杀菌剂比较时,从机率值标准误转为百分率标准误,可用下列公式计算: 本文还介绍了目前比较普遍使用的CASIO FX—702P型袖珍电子计算机在统计杀菌剂生物测定结果上的应用,并编了程序,列于附表。 Bootstrapping repeatedly draws random samples, each with size n , from the original sample of size n , and makes the probability 1/ n for each original variate in each sampling with replacement. This approach can be applied to examine the fundamental properties of sample statistic , to estimate the standard error of and to determine the 100 (1- α )% confidence intervals containing population parameter θ . In the paper, univariate, multivariate and residual bootstrappings, each together... Bootstrapping repeatedly draws random samples, each with size n , from the original sample of size n , and makes the probability 1/ n for each original variate in each sampling with replacement. This approach can be applied to examine the fundamental properties of sample statistic , to estimate the standard error of and to determine the 100 (1- α )% confidence intervals containing population parameter θ . In the paper, univariate, multivariate and residual bootstrappings, each together with an example, were presented. The another resampling procedure—Jackknifing was also discussed briefly. 自举法是在 1个容量为 n的原始样本中重复抽取一系列容量也是 n的随机样本 ,并保证每次抽样中每一样本观察值被抽取的概率都是 1 /n(复置抽样 ) .这种方法可用来检查样本统计数 θ的基本性质 ,估计θ的标准误和确定一定置信系数下θ的置信区间 .提出单变量自举、多变量自举和离回归自举 3种方法 ,并各附实例 .也简要地讨论了重抽样的另一种技术——自析法 The article sets forth that standard errors are different sometimes between confidence limits and hypothesis test in the light of examples of kappa coefficient and difference of two population rates.The estimation of standard error in confidence limits needn't the hypothesis of H_0.When their estimations of standard error are different,the standard error in hypothesis test couldn't be substituted for that in confidence limits. 本文以Kappa系数和两总体率差值检验为例,说明一般的假设检验法与用置信区间作检验是不相同的。其根源在于两者的标准误估计是不同的:与假设检验法不同的是,在求置信区间时,计算标准误时不需要假定H0成立。即零假设被否定后,不应该再用假设检验中的标准误去代替置信区间中的标准误。 << 更多相关文摘
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