search for: setup_twitter_oauth

...Failed to connect to api.twitter.com port 443: Connection refused And when it comes to the second approach, the following error rises: [1] "Using direct authentication" Error in check_twitter_oauth() : OAuth authentication error: This most likely means that you have incorrectly called setup_twitter_oauth()' Unfortunately, the online resources could not help. For example, all the solutions introduced in StackOverflow could not work for me. https://stackoverflow.com/questions/31128492/twitter-setup-t witter-oauth-failing *Moreover, in reading data from the current directory, the readRDS method...