3. Datasetについて(1) • train_users.csv - the training set of users • test_users.csv - the test set of users – id: user id – date_account_created: the date of account creation – timestamp_first_active: timestamp of the first activity, note that it can be earlier than date_account_created or date_first_booking because a user can search before signing up – date_first_booking: date of first booking – gen
