Bias 是测量股价偏离均线大小程度的指标的乖离率，指股价与平均移动线之间的偏离程度，因此也叫偏离值 。Bias Corrected 意思是 “乖离率修正”， Bias Accelerated 意思是 “乖离率反弹”。合称 “乖离率修正和反弹”。
Bias-corrected and accelerated confidence intervals.est.b
As such, the bias-corrected estimate thereby becomes an algebraic combination of the original statistic and the bootstrap mean. For more information, look up "BCa" (bias-corrected and accelerated bootstrap) and "ABC". My question is: how do I "adjust the original statistic to remove the bia...
Bootstrap-based confidence intervals and sampling Finally, we introduce improved confidence intervals (bias corrected and accelerated) that improve on the parametric and percentile-based bootstrap confidence ... FA Wichmann,NJ Hill - 《Perception & Psychophysics》 被引量: 1125发表: 2001年 Bootstrap ...
例如,在R中,可以使用boot包中的boot函数,并通过设置type="perc"或type="bca"(Bias-Corrected and Accelerated)来实现偏差校正。在Python中,虽然标准库中没有直接提供偏差校正自助法的实现,但可以使用第三方库(如sklearn、statsmodels等)或自行编写代码来实现。 具体实现方式取决于所使用的统计软件和具体需求。对于...
. The IMERG final run of GPM is a product retrieved from multi-satellite precipitation products corrected by gauge data, at a resolution of 0.1 degree and 30 min53. Because analysis on U3 km whose number of meshes is particularly large, rainfall intensity is only graded into five levels: ...
While mild deviations from normality are unlikely to impact on the validity of our findings, as a sensitivity analysis we re-ran the regression models using bootstrapped 95% bias corrected and accelerated confidence intervals (with 1000 bootstrap iterations). These analyses gave results that were ...
accelerated bias-correctedbootstrap-tWe describe a simulation study of the application of bootstrap methods with nonparametric, symmetrized nonparametric and parametric resampling to the problems of a) reducing the bias of an parameter estimate and b) estimating a confidence interval. The populations ...
The DC approach presented here is a simple form of BC in which a change factor or ‘delta’ is derived from the GCM, and then added onto the observations (WorldClim). The purpose of our dataset is to provide a bias-corrected and high-resolution representation of the mean climates, and fo...
(PGLS).HAverage GC% across the cluster, intergenic, intronic, promoter, and coding sequence of each tandem array. Each point represents one mammal species from panelsA–G.IPGLS slope values andJR-squared values of phylogeny-corrected correlation of feature GC% to cluster GC%. Asterisks ...