19 NREL Changelog 
Version date: 2021-12-08 
 
Table name changes: 
 
    2017-2019-pr2-1-Household.csv renamed to survey_household. 
    2017-2019-pr2-2-Person.csv renamed to survey_person. 
    2017-2019-pr2-5-Trip.csv renamed to survey_trip. 
    2017-2019-pr2-4-Day.csv renamed to v_gps_day. 

Column name changes: 
 
    hhid renamed to sampno. 
    person_id renamed to perno. 
    personid renamed to perno. 
    vehicle_id renamed to vehno. 
    trip_id renamed to tripno. 
    year renamed to veh_year. 
    make renamed to veh_make. 
    model renamed to veh_model. 
    speed_mph renamed to gpsspeed. 
    trip_path_distance renamed to distance_mi. 
    prev_home_notwa_zip renamed to prev_home_notwa_zipcode. 
    prev_work_notwa_zip renamed to prev_work_notwa_zipcode. 

Column redactions: 
 
    work_name
    o_tract
    school_tract
    prev_work_name
    loc_end_other
    age
    prev_home_tract
    final_home_tract
    work_tract
    loc_start_other
    prev_work_tract
    d_tract
    veh_model

Column additions: 
 
    
    age_nrel_agebin
