public function index()
 {
     $analytics = new Analytics();
     $optimalTweetTime = $analytics->optimalTweetTime();
     $tweets = Tweet::all();
     return view('tweets.index', ['tweets' => $tweets, 'time' => $optimalTweetTime]);
 }
 public function index()
 {
     $analytics = new Analytics();
     $statusCode = 200;
     $response = ['numTweets' => $analytics->numTweets(), 'numTweetsWithLink' => $analytics->numTweetsWithLink(), 'numTweetsTypeRT' => $analytics->numTweetsTypeRT(), 'numTimesRetweeted' => $analytics->numTimesRetweeted(), 'avgNumCharacters' => $analytics->avgNumCharacters()];
     return \Response::json($response, $statusCode);
 }