CS 128/ES Lecture 9a1 TIGER Map of the Area Dr. Levine’s House
CS 128/ES Lecture 9a2 TIGER Attribute Data
CS 128/ES Lecture 9a3 Some Useful Fields FIDField ID Number LENGTHLength of full extent FNODEIntersection of “start” of street TNODEIntersection of “end” of street FENAMEStreet name (root) FRADDR# of first house on RIGHT side TOADDL# of last house on LEFT side ZIPRZip code of RIGHT side
CS 128/ES Lecture 9a4 But Apply Georgian’s First Law Don’t process the data yourself; get someone else to do it (of data processing)
CS 128/ES Lecture 9a5 Limitations of Geocoding Mapquest says Dr. Georgian lives here Dr. Georgian says he lives here Whom do you believe?
CS 128/ES Lecture 9a6 Why Is It Wrong? FRADDR3179 TOADDR3297 FRADDL0 TOADDL0 Where is Dr. Levine’s House? (#3299)