首页> 外国专利> CONFIDENCE AND RANGE OF ETHNICITY ESTIMATES IN A GLOBAL ANCESTRY DETERMINATION SYSTEM

CONFIDENCE AND RANGE OF ETHNICITY ESTIMATES IN A GLOBAL ANCESTRY DETERMINATION SYSTEM

机译:全球祖先确定系统中种族估计的置信度和范围

摘要

An input genotype is divided into a plurality of windows, each including a sequence of SNPs. For each window, a diploid HMM is computed based on genotypes and/or phased haplotypes to determine a probability of a haplotype sequence being associated with a particular label. For example, the diploid HMM for a window is used to determine the emission probability that the window corresponds to a set of labels. An inter-window HMM, with a set of states for each window, is computed. Labels are assigned to the input genotype based on the inter-window HMM. Upper and lower bounds are estimated to produce a range of likely percentage values an input can be assigned to a given label. Confidence values are determined indicating a likelihood that an individual inherits DNA from a certain population. Maps are generated with polygons representing regions where a measure of ethnicity of population falls within specific ranges.
机译:输入基因型被分成多个窗口,每个窗口包括一个SNP序列。对于每个窗口,基于基因型和/或分阶段的单倍型计算二倍体HMM,以确定单倍型序列与特定标记相关联的概率。例如,窗口的二倍体HMM用于确定窗口对应于一组标签的发射概率。计算窗口间HMM,每个窗口具有一组状态。标签基于窗口间HMM分配给输入基因型。估计上限和下限会产生一系列可能的百分比值,可以将输入分配给给定标签。确定置信度值,该值指示一个人从某个群体继承DNA的可能性。生成的地图用表示代表种族范围的指标在特定范围内的区域的多边形。

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