0
answers
20views

R做heatmap的时候,没有表达的数值大家怎么处理的?

如题,用tab分割的话提示缺元素,我都是用0代替的,不知道会不会对后边的结果有影响?

4
answers
79views

limma预处理芯片得到的M值与A值之后是否可以转化回R与G

我利用limma处理双通道的芯片数据 library(limma) setwd("E:\\agilent") #输入目标文件 targets=read.table("targets.txt",header=T,sep="\t") #读取探针原始数据 RG<-read.maimages(targets$FileName,path="E:\\agilent\\rowdata",source="agilent") #背景矫正 RGb<- backgroundCorrect(RG, [...]...

3
answers
181views

用R读入矩阵,创建Graph

大家好,我碰到个R编程的问题。我有个矩阵存在txt里,我想用它创建Graph,做后续分析。 read.table("", header=T) 之后我该怎么弄,用哪个包的哪个方法啊? 我在Google和doc上半天了,没有找到怎么弄...

4
answers
342views

请问如何在服务器上运行R代码?

请问如何在服务器上运行R代码? 我在服务器上执行$ sudo apt-get install r-base 时, 其说:*is not in [...]

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