computePrimingWeights(Genominator)
computePrimingWeights()所属R语言包:Genominator
Compute weights to correct for random hexamer priming.
计算权重,纠正随机六聚体吸。
译者:生物统计家园网 机器人LoveR
描述----------Description----------
This function computes weights used to correct for random hexamer priming, as per the reference.
此函数计算重量,用于纠正随机六聚体吸为参考。
用法----------Usage----------
computePrimingWeights(aln, biasedIndex = 1:2, unbiasedIndex = 24:29,
weightsLength = 7L, returnSep = FALSE)
参数----------Arguments----------
参数:aln
An object of class AlignedRead.
对象类AlignedRead。
参数:biasedIndex
A vector of start positions for the biased k-mers.
偏颇的ķ-聚体的起始位置向量。
参数:unbiasedIndex
A vector of start positions for the unbiased k-mers.
为公正的K-聚体的起始位置的向量。
参数:weightsLength
The length of the k-mers.
K-聚体的长度。
参数:returnSep
A logical indicating whether the numerator and denominator of the weights should be return or the weights themselves.
一个逻辑说明权重的分子和分母是否应该回报或本身的重量。
值----------Value----------
If returnSep = FALSE a named vector of weights. Otherwise a list with two elements giving the numerator (p_unbiased) and the denominator (p_biased) of the weights.
如果returnSep = FALSE命名为向量的重量。否则,使分子具有两个元素的列表(p_unbiased)和分母(p_biased)的权重。
作者(S)----------Author(s)----------
Kasper Daniel Hansen <a href="mailto:khansen@jhsph.edu">khansen@jhsph.edu</a>.
参考文献----------References----------
transcriptome sequencing caused by random hexamer priming. Nucleic Acids Res, doi:10.1093/nar/gkq224
参见----------See Also----------
addPrimingWeights and the extended example in the 'Working with ShortRead' vignette.
addPrimingWeights“中的插曲”与ShortRead工作的扩展的例子。
举例----------Examples----------
if(require(ShortRead)) {
bwt.file <- system.file("extdata", "bowtie", "s_1_aligned_bowtie.txt",
package="ShortRead")
aln <- readAligned(bwt.file, type = "Bowtie")
weights <- computePrimingWeights(aln, weightsLength = 2L)
aln <- addPrimingWeights(aln, weights = weights)
head(alignData(aln)$weights)
}
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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