created_at: Date and time of tweet creation.
tweet_id: Unique ID of the tweet
tweet: Full tweet text
likes: Number of likes
retweet_count: Number of retweets
source: Utility used to post tweet
user_id: User ID of tweet creator
user_name: Username of tweet creator
user_screen_name: Screen name of tweet creator
user_description: Description of self by tweet creator
user_join_date: Join date of tweet creator
user_followers_count: Followers count on tweet creator
user_location: Location given on tweet creator's profile
lat: Latitude parsed from user_location
long: Longitude parsed from user_location
city: City parsed from user_location
country: Country parsed from user_location
state: State parsed from user_location
state_code: State code parsed from user_location
collected_at: Date and time tweet data was mined from twitter
More detail of the dataset can be found here
The Code does the pre-processing on the raw-data and performs Visualization using many python libraries.