Codebooks
- BKFS dataset came with a codebook.
- 51013 is the code for Arlington.
Data Description
The tables below show the overall description of the various data tables used for this study.
"APN-A" (Field No. 3) is the Parcel Identification Number | |||
---|---|---|---|
Year | N | Unit of Analysis | Uniqueness |
2009 | 64,827 | APN-A | unique |
2010 | 65,201 | APN-A | unique |
2011 | 65,264 | APN-A | unique |
2012 | 65,364 | APN-A | unique |
2013 | 65,443 | APN-A | unique |
2014 | 65,622 | APN-A | unique |
2009-2014 | 66,106 | APN-A |
Data Quality
The tables below contain the results of the data profiling of key variables for the the following tables
Quality: 2009-2014 | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Duplications | No duplicated rows | |||||||||||||||||||||
Field No. 3 "APN-A" | No duplications | |||||||||||||||||||||
Variables | Completeness | Validity | Uniqueness | Consistency | ||||||||||||||||||
Field No. 1 "State (Postal Code)" | 100% | 100% | VA | 100% | ||||||||||||||||||
Field No. 2 "County Name" | 100% | 100% | Arlington | 100% | ||||||||||||||||||
Field No. 4 "Duplicate APN /Multiple Address ID" | all NA |
| NA Coding: NA | |||||||||||||||||||
Field No. 5 "Property Address Source Flag" | 2009: 18,911 missing 2010: 18,691 missing 2011: 18,418 missing 2012: 18,707 missing 2013: 18,902 missing 2014: 19,383 missing | Levels: "P" (Partial situs address (city state & ZIP only) was created from the mailing address | NA Coding: " " | |||||||||||||||||||
Field No. 6 "House Number" | 2009: 2,596 missing 2010: 2,558 missing 2011: 2,556 missing 2012: 2,531 missing 2013: 2,521 missing 2014: 2,546 missing | (2009-2014) 6,514 levels 2009 Levels: 6,291 2010 Levels: 6,486 2011 Levels: 6,252 2012 Levels: 6,263 2013 Levels: 6,254 2014 Levels: 6,251 | NA Coding: " " | |||||||||||||||||||
Field No. 7 "House Alpha" | 2009: 64,556 missing 2010: 65,193 missing 2011: 64,949 missing 2012: 65,049 missing 2013: 65,128 missing 2014: 65,307 missing | Levels: "A" "B" "C" "D" "E" "F" "G" "H" "I" "J" | NA Coding: " " | |||||||||||||||||||
Field No. 8 "Street Direction - Left" | 2009: 28,490 missing 2010: 28,314 missing 2011: 28,356 missing 2012: 28,400 missing 2013: 28,498 missing 2014: 28,501 missing | Levels: "N" "S" | NA Coding: " " | |||||||||||||||||||
Field No. 9 "Street Name" | (2009-2014) 27 missing 2009: 0 missing 2010: 0 missing 2011: 19 missing 2012: 0 missing 2013: 5 missing 2014: 3 missing | Levels coded with spaces | (2009-2014) 295 levels 2009 Levels: 293 2010 Levels: 293 2011 Levels: 293 2012 Levels: 294 2013 Levels: 293 2014 Levels: 294 | NA coding: “ ” | ||||||||||||||||||
Field No. 10 "Suffix" | (2009-2014) 27 missing 2009: 0 missing 2010: 0 missing 2011: 19 missing 2012: 0 missing 2013: 5 missing 2014: 3 missing |
| 13 Levels: "AVE" "BLVD" "CIR" "CT" "DR" "HWY" "LN" "PIKE" "PKWY" "PL" "RD" "ST" "TER" 2009 Levels: 13 2010 Levels: 13 2011 Levels: 13 2012 Levels: 13 2013 Levels: 13 2014 Levels: 13 | NA coding: " " | ||||||||||||||||||
Field No. 11 "Street Direction - Right" | 2009: 46,818 missing 2010: 47,176 missing 2011: 47,228 missing 2012: 47,318 missing 2013: 47,387 missing 2014: 47,562 missing | Levels: "N" "S" | NA Coding: " " | |||||||||||||||||||
Field No. 12 "Unit Number" | 2009: 64,827 missing 2010: 65,185 missing 2011: 64,926 missing 2012: 65,030 missing 2013: 65,111 missing 2014: 65,291 missing | 2009 Levels: 0 2010 Levels: 8 2011 Levels: 43 2012 Levels: 39 2013 Levels: 36 2014 Levels: 36 | NA Coding: " " | |||||||||||||||||||
Field No. 13 "Full Street Add." | (2009-2014) 27 missing 2009: 0 missing 2010: 0 missing 2011: 19 missing 2012: 0 missing 2013: 5 missing 2014: 3 missing | Levels coded with spaces | (2009-2014) 41,685 levels 2009 Levels: 40,566 2010 Levels: 40,675 2011 Levels: 40,717 2012 Levels: 40,767 2013 Levels: 40,819 2014 Levels: 40,862 | NA Coding: " " | ||||||||||||||||||
Field No. 14 "City Name" | 2009: 1,014 missing 2010: 814 missing 2011: 1,013 missing 2012: 1,009 missing 2013: 985 missing 2014: 1,037 missing | Levels coded with spaces | Levels: "ARLINGTON" "FALLS CHURCH" "MC LEAN" "MCLEAN" "ROSSLYN" | NA Coding: " " | ||||||||||||||||||
Field No. 15 "State" | 2009: 1,014 missing 2010: 814 missing 2011: 1,013 missing 2012: 1,009 missing 2013: 985 missing 2014: 1,037 missing | VA | NA Coding: " " | |||||||||||||||||||
Field No. 16 "Property ZIP Code" | 2009: 1 missing 2010: 2 missing 2011: 23 missing 2012: 4 missing 2013: 11 missing 2014: 9 missing | Levels: "22214" "22211" "22212" "22046" "22101" "22213" "22202" "22209" "22205" "22203" "22206" "22201" "22207" "22204" | NA Coding: NA | |||||||||||||||||||
Field No. 17 "Property ZIP+4" | 2009: 2999 missing 2010: 2840 missing 2011: 3609 missing 2012: 4968 missing 2013: 2971 missing 2014: 3020 missing | 4,144 Levels | NA Coding: NA | |||||||||||||||||||
Field No. 117 "Property Address: Latitude" | 2009: 2,990 missing 2010: 2,581 missing 2011: 2,970 missing 2012: 2,912 missing 2013: 2,873 missing 2014: 2,918 missing | Levels: ( 99.999999) (2009-2014) 65,019 levels 2009 Levels: 28,649 2010 Levels: 20,482 2011 Levels: 18,324 2012 Levels: 29,688 2013 Levels: 29,223 2014 Levels: 29,246 | NA Coding: NA | |||||||||||||||||||
Field No. 118 "Property Address: Longitude" | 2009: 2,990 missing 2010: 2,581 missing 2011: 2,970 missing 2012: 2,912 missing 2013: 2,873 missing 2014: 2,918 missing | Levels: ( -999.999999) (2009-2014) 69,809 levels 2009 Levels: 30,081 2010 Levels: 16,852 2011 Levels: 13,712 2012 Levels: 30,679 2013 Levels: 30,721 2014 Levels: 30,740 | NA Coding: NA | |||||||||||||||||||
Field No. 119 "Property Address: Census Tract & Block" | 2009: 2,990 missing 2010: 2,581 missing 2011: 2,970 missing 2012: 2,912 missing 2013: 2,873 missing 2014: 2,918 missing | 2,564 Levels for all years: (999999999.99999C) | NA Coding: " " | |||||||||||||||||||
Field No. 71 "County Land Use Description" | 2009: 98 missing 2010: 0 missing 2011: 0 missing 2012: 0 missing 2013: 0 missing 2014: 32 missing | Levels coded with spaces | 60 Levels | NA Coding: " " | ||||||||||||||||||
Field No. 72 "County Land Use Code" | 100% | 57 Levels (some codes have multiple descriptions in V71) | ||||||||||||||||||||
Field No. 73 "Standardized Land Use Code" | 2009: 98 missing 2010: 0 missing 2011: 0 missing 2012: 0 missing 2013: 0 missing 2014: 2 missing | 34 Levels: [char](4) | NA Coding: NA | |||||||||||||||||||
Field No. 78 "Year Built” | 2009: 29,724 missing 2010: 30,008 missing 2011: 29,970 missing 2012: 30,033 missing 2013: 30,004 missing 2014: 30,228 missing |
| 146 Levels: 1832-2012 2009 Levels: 142 2010 Levels: 143 2011 Levels: 143 2012 Levels: 143 2013 Levels: 144 2014 Levels: 144 | NA Coding: NA | ||||||||||||||||||
Field No. 149 "Effective Year Built" | 2009: 64,827 (all) missing 2010: 31,771 missing 2011: 31,655 missing 2012: 31,692 missing 2013: 31,710 missing 2014: 31,814 missing | 103 Levels: 1900-2014 2009 Levels: 0 2010 Levels: 97 2011 Levels: 97 2012 Levels: 96 2013 Levels: 97 2014 Levels: 97 | NA Coding: NA | |||||||||||||||||||
Field No. 79 "No of Buildings” | all NA | NA Coding: NA | ||||||||||||||||||||
Field No. 80 "No of Stories” | 2009: 31754 missing 2010: 31987 missing 2011: 31941 missing 2012: 32115 missing 2013: 32078 missing 2014: 32162 missing | 34 Levels: "1" "1.5" "1.5+A" "1.5+B" "1.75" "1+A" "1+AB" "1+B" "2" "2.25" "2.5" "2.5+A" "2.5+B" "2.75" "2+A" "2+AB" "2+B" "2+B+A" "2+BB" "3" "3.5" "3.5+B" "3/L" "3/L+B" "3+B" "4" "4/L" "4/L+B" "4+B" "5" "S/F" "S/F+B" "S/L" "S/L+B"
| NA Coding: " " | |||||||||||||||||||
Field No. 81 "No of Units” | 2009: 64,040 missing 2010: 64,420 missing 2011: 64,479 missing 2012: 64,580 missing 2013: 64,529 missing 2014: 64,730 missing | 2009 Levels: 200 min:1 max: 842 2010 Levels: 201 min:1 max: 842 2011 Levels: 208 min:1 max: 842 2012 Levels: 209 min:1 max: 842 2013 Levels: 234 min:1 max: 9907 2014 Levels: 241 min:1 max: 9907 | NA Coding: NA | |||||||||||||||||||
Field No. 82 "Total # Rooms” | all NA | NA Coding: NA | ||||||||||||||||||||
Field No. 83 "No of Bedrooms” | 2009: 14,791 missing 2010: 14,422 missing 2011: 13,991 missing 2012: 13,652 missing 2013: 13,247 missing 2014: 12,969 missing | 13 Levels: min:1 max:13 | NA Coding: NA | |||||||||||||||||||
Field No. 84 "No of Baths” | 2009: 7,978 missing 2010: 7,891 missing 2011: 7,723 missing 2012: 7,708 missing 2013: 7,620 missing 2014: 7,610 missing | 11 Levels: "100" "200" "300" "400" "500" "600" "700" "800" "900" "1000" "1100" | NA Coding: NA | |||||||||||||||||||
Field No. 85 "No of Partial Baths” | 2009: 46621 missing 2010: 46557 missing 2011: 46439 missing 2012: 46318 missing 2013: 46041 missing 2014: 46168 missing | 7 Levels: "1" "2" "3" "4" "5" "6" "7" | NA Coding: NA | |||||||||||||||||||
Field No. 104 "Heating" | 2009: 32,302 missing 2010: 32,754 missing 2011: 32,911 missing 2012: 33,159 missing 2013: 33,179 missing 2014: 33,282 missing | 8 Levels "A" "C" "D" "F" "G" "H" "J" "M" A: Baseboard (1,185); C: Central (5,231); D: Forced air (149,252); F: Floor/wall (24); G: Gravity (259); H: Heat pump (629); J: Hot water (37,073); M: Radiant (481) | NA Coding: " " | |||||||||||||||||||
Field No. 150 "Heating Fuel Type" | all NA | NA Coding: NA | ||||||||||||||||||||
Field No. 134 "of Plumbing Fixtures" | all NA | NA Coding: NA |