
hi

 

anyone can tell me how can i install rgraphviz . when i try commnad   > source("http://bioconductor.org/biocLite.R") in R commnad line then i got an error message all the time  Error in file(file, "r", encoding = encoding) : 
  cannot open the connection
In addition: Warning message:
In file(file, "r", encoding = encoding) :
  unable to connect to 'bioconductor.org' on port 80.

 

how can i remove this error.

 

there is also one problem coming when i tried install.packages() command in R ,i got a message choose "cran image ".what is meaning of nearesst cran image 

 

please resolve this issue for me i need it for my project badly.

 

please do asap.

 

 

regards

vikas
 		 	   		  
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