[R] how to make http proxy setting as "automatically detect"?

[sagarnikam123]

i am connecting through my mobile connection,which don't have proxy setting
i can access internet in browser using  "automatically detect setting",i get
error when trying below

> source("http://bioconductor.org/biocLite.R")
Error in file(file, "r", encoding = encoding) : 
  cannot open the connection
In addition: Warning message:
In file(file, "r", encoding = encoding) :
  InternetOpenUrl failed: 'ÿÄÿL
M×Ëw€%'

i set proxy as none by
> Sys.setenv(no_proxy="") 
> Sys.getenv("http_proxy")
[1] ""

is there any way to tell R about "auto detect setting" for mobile 
connections

--
View this message in context: http://r.789695.n4.nabble.com/how-to-make-http-proxy-setting-as-automatically-detect-tp4625521.html
Sent from the R help mailing list archive at Nabble.com.