I have installed the following libraries but still getting the following errors: require("bitops") require("RJSONIO") re

[answerhappygod]

I have installed the following libraries but still getting thefollowing errors:
require("bitops")require("RJSONIO")
require('ROAuth')
require('RCurl')
The error is generating in the following line of code:
Cred <-OAuthFactory$new(consumerKey=consumerKey,consumerSecret=consumerSecret,requestURL=reqURL,accessURL=accessURL,authURL=authURL)
Error in initRefFields(.self, .refClassDef,as.environment(.self), list(...)) :
object 'consumerSecret' not found