求助：用R分析基因芯片出现下面问题，怎么回事？

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>library(affy)
>Data<-ReadAffy(widget=TRUE)
然后导入.CEL文件。
然后接着写入下面的语句
> par(mfrow=c(1,1))
> boxplot(Data,col=c(1,2,3))
警告信息:
无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/CRANrepository does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/CRANrepository in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/repository/release1.5/package does not seem to have a valid repository, skipping
警告信息:
Failed to read replisting at http://www.bioconductor.org/repository/release1.5/package in: getReplisting(repURL, repFile, method = method)
警告信息:
无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/bioc/devel does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/bioc/devel in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/data/annotation/stable does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/data/annotation/stable in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/data/annotation/devel does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/data/annotation/devel in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/data/experiment/stable does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/data/experiment/stable in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/repository/Courses does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/repository/Courses in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/data/annotation/stable does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/data/annotation/stable in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/data/annotation/stable does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/data/annotation/stable in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/omegahat/stable does not seem to have a valid repository, skipping
警告信息:
1: Failed to read replisting at http://www.bioconductor.org/packages/omegahat/stable in: getReplisting(repURL, repFile, method = method)
2: 无法打开: HTTP状态是'404Not Found'
Note: http://www.bioconductor.org/packages/lindsey/stable does not seem to have a valid repository, skipping
Note: Using download type: Win32
错误在getCdfInfo(object) : Could not obtain CDF environment, problems encountered:
Specified environment specified did not contain Rice
Library - package ricecdf not installed
Data for package affy did not contain Rice
Bioconductor - ricecdf not available
此外: 警告信息:
Failed to read replisting at http://www.bioconductor.org/packages/lindsey/stable in: getReplisting(repURL, repFile, method = method)
>

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关键词：基因芯片 Bioconductor environment ENCOUNTERED experiment 求助 基因芯片

你看别说你打不开，都打不开
网页不见了

所以才会出现这种提示
如果你的网页能打开
那就是某个包未引入

基因芯片，能做经济学分析吗？
好高端的样子啊。膜拜