Hi ,

I am try to install the package affy and oligo.

However i am getting error

Error: 'unknown input format' while trying http://bioconductor.org/packages/3.7/bioc

I am not able to resolve this.

Kindly help

sessionInfo()
R version 3.5.0 (2018-04-23)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252   
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C                          
[5] LC_TIME=English_United States.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] BiocInstaller_1.30.0

loaded via a namespace (and not attached):
[1] compiler_3.5.0 tools_3.5.0