def get_chance_of(subject, start_date, end_date, location)
      response = get_planner_response(start_date, end_date, location)

      response['trip']['chance_of'][subject]['percentage'].to_i
    end
def get_chance_of(subject, start_date, end_date, location)
      response = get_planner_response(start_date, end_date, location)

      response['trip']['chance_of'][subject]['percentage'].to_i
    end
Gets the chance of any given string key in the chance_of hash returned by {#get_planner_response}.
 @param subject [String] The chance_of hash's key.
 @param (see #get_planner_response)
 @since 0.5.0
 @return [Integer] The chance of the subject happening.