source("http://bioconductor.org/biocLite.R")
> biocLite("affyio")
BioC_mirror: http://bioconductor.org
Using Bioconductor version 2.11 (BiocInstaller 1.8.3), R version 2.15.
Installing package(s) 'affyio'
警告: unable to access index for repository http://brainarray.mbni.med.umich ... indows/contrib/2.15
also installing the dependency ‘zlibbioc’

试开URL’http://bioconductor.org/packages ... /zlibbioc_1.4.0.zip
Content type 'application/zip' length 246170 bytes (240 Kb)
打开了URL
downloaded 240 Kb

试开URL’http://bioconductor.org/packages ... 5/affyio_1.26.0.zip
Content type 'application/zip' length 161762 bytes (157 Kb)
打开了URL
downloaded 157 Kb

package ‘zlibbioc’ successfully unpacked and MD5 sums checked
package ‘affyio’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
        C:\Users\lab420\AppData\Local\Temp\Rtmp0khFqx\downloaded_packages
警告: unable to access index for repository http://brainarray.mbni.med.umich ... indows/contrib/2.15