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探针水平RMA标准化探针与R生物导体的平均居中_R_Bioconductor - Fatal编程技术网
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探针水平RMA标准化探针与R生物导体的平均居中

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探针水平RMA标准化探针与R生物导体的平均居中,r,bioconductor,R,Bioconductor,我有几个来自白血病和淋巴瘤患者的微阵列数据集，我用rmaesetNBrma数据已经是log2值。以下是指探头/行的中心 虚拟数据示例： > m=1:40 > dim(m)=c(10,4) > m [,1] [,2] [,3] [,4] [1,] 1 11 21 31 [2,] 2 12 22 32 [3,] 3 13 23 33 [4,] 4 14 24 34 [5,] 5

我有几个来自白血病和淋巴瘤患者的微阵列数据集，我用rma
esetNBrma数据已经是log2值。以下是指探头/行的中心
虚拟数据示例：


> m=1:40
> dim(m)=c(10,4)
> m
      [,1] [,2] [,3] [,4]
 [1,]    1   11   21   31
 [2,]    2   12   22   32
 [3,]    3   13   23   33
 [4,]    4   14   24   34
 [5,]    5   15   25   35
 [6,]    6   16   26   36
 [7,]    7   17   27   37
 [8,]    8   18   28   38
 [9,]    9   19   29   39
[10,]   10   20   30   40


然后通过循环利用的魔力，一排一排地扩大规模


> m-rowMeans(m)

      [,1] [,2] [,3] [,4]
 [1,]  -15   -5    5   15
 [2,]  -15   -5    5   15
 [3,]  -15   -5    5   15
 [4,]  -15   -5    5   15
 [5,]  -15   -5    5   15
 [6,]  -15   -5    5   15
 [7,]  -15   -5    5   15
 [8,]  -15   -5    5   15
 [9,]  -15   -5    5   15
[10,]  -15   -5    5   15



> m-rowMeans(m)

      [,1] [,2] [,3] [,4]
 [1,]  -15   -5    5   15
 [2,]  -15   -5    5   15
 [3,]  -15   -5    5   15
 [4,]  -15   -5    5   15
 [5,]  -15   -5    5   15
 [6,]  -15   -5    5   15
 [7,]  -15   -5    5   15
 [8,]  -15   -5    5   15
 [9,]  -15   -5    5   15
[10,]  -15   -5    5   15