Applies to the data a principal component analysis
适用于数据的主成分分析
译者:生物统计家园网 机器人LoveR
描述----------Description----------
A simple wrapper around the R function prcomp.
周围的R函数prcomp简单的包装。
用法----------Usage----------
apply.pca(matrix.signal)
参数----------Arguments----------
参数:matrix.signal
A matrix containing the raw calls. The rows are the samples and the columns are the SNPs.
矩阵包含原始调用。行样品和列的SNPs。
值----------Value----------
A one dimensional vector, one value per sample: this is the first principal component.
一维向量,每一个采样值:这是第一主成分。
注意----------Note----------
The output vector is normalized to have a standard deviation of 1.
输出向量归有1个标准差。
作者(S)----------Author(s)----------
Vincent Plagnol <a href="mailto:vincent.plagnol@cimr.cam.ac.uk">vincent.plagnol@cimr.cam.ac.uk</a> and Chris Barnes <a href="mailto:christopher.barnes@imperial.ac.uk">christopher.barnes@imperial.ac.uk</a>