opened on: 25 Aug 2014, 03:04:40 _dta: 1. by Jean Roth , jroth@nber.org , 2012-10-10 2. Census 2000 SF1 Summary Level 860 = 5-Digit ZIP Code Tabulation Area 3. Census 2000 SF1 notes are by Jean Roth , jroth@nber.org , 2012-10-11 4. by Jean Roth , jroth@nber.org , 22 Feb 2014 5. Census 2000 SF1 Summary Level 860 6. Distances between ZCTA5s that are within 500 miles > iles.dta obs: 512,722,310 vars: 3 22 Feb 2014 01:32 size: 9,229,001,580 (_dta has notes) ------------------------------------------------------------------------------- storage display value variable name type format label variable label ------------------------------------------------------------------------------- zip1 str5 %5s ZIP Code Tabulation Area (5 digit) zip2 str5 %5s ZIP Code Tabulation Area (5 digit) mi_to_zcta5 double %10.0g ------------------------------------------------------------------------------- Sorted by: zip1 mi_to_zcta5 zip2