designI2M(limma)
designI2M()所属R语言包:limma
Convert Individual Channel Design Matrix to M-A Format
马格式转换单个通道的设计矩阵
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Convert a design matrix in terms of individual channels to ones in terms of M-values or A-values for two-color microarray data.
在m值或A值的个别通道的设计矩阵转换为两种颜色微阵列数据。
用法----------Usage----------
designI2M(design)
designI2A(design)
参数----------Arguments----------
参数:design
numeric model matrix with one row for each channel observation, i.e., twice as many rows as arrays
每个通道观察,即一行的数字模型矩阵阵列的两倍多行
Details
详情----------Details----------
If design is a model matrix suitable for modelling individual log-intensities for two color microarray data, then designI2M computes the corresponding model matrix for modelling M-values (log-ratios) and designI2A computes the model matrix for modelling A-values (average log-intensities).
如果design是适合模拟两种颜色微阵列数据的个人log,强度模型矩阵,然后designI2M计算相应的模型矩阵建模的M-值(log的比率)和designI2A A值(平均登录,强度)的模拟计算模型矩阵。
Note that the matrices designI2M(design) or designI2A(design) may be singular if not all of the coefficients are estimable from the M or A-values. In that case there will be columns containing entirely zeros.
请注意,矩阵designI2M(design)或designI2A(design)可能是奇异的,如果不是所有的系数是从M或A值的难能可贵。在这种情况下会有列包含完全零。
值----------Value----------
numeric model matrix with half as many rows as design
design一半行的数字模型矩阵
作者(S)----------Author(s)----------
Gordon Smyth
参见----------See Also----------
model.matrix in the stats package.
model.matrix在统计包。
An overview of individual channel linear model functions in limma is given by 07.SingleChannel.
由07.SingleChannel个别通道limma线性模型功能的一个概述。
举例----------Examples----------
X <- cbind(1,c(1,1,1,1,0,0,0,0),c(0,0,0,0,1,1,1,1))
designI2M(X)
designI2A(X)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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