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FIGURE 1 Selected validation results. ([c] indicates variable controlled at the TAZ level; numbers after label correspond to variable number in complete validation output.) INCOME------------------------------------------------------------ Version 52 base year--tract level---------- % with income $20K-50K (15-35 1990) [c] 39 % with income $20K-$30K (15-22.5 1990) 44 % with income below poverty level 59 Version 52 base year--PUMA level---------- % with income $20K-50K (15-35 1990) [c] 39 % with income $20K-$30K (15-22.5 1990) 44 % with income below poverty level 59 Version 52 backcast--tract level---------- % with income $20K-50K (15-35 1990) [c] 39 Version 52 backcast--PUMA level---------- % with income $20K-50K (15-35 1990) [c] 39 HOUSEHOLD SIZE------------------------------------------------ Version 52 base year--tract level---------- % size 3 [c] 8 Version 52 base year--PUMA level---------- % size 3 [c] 8 % size 4 9 % size 6 11 Version 316 base year--PUMA level---------- % size 4 [c] 9 % size 6 11 Version 52 backcast--tract level---------- % size 3 [c] 8 Version 52 backcast--PUMA level---------- % size 3 [c] 8 % size 4 9 % size 6 11 Version 316 backcast--PUMA level---------- % size 4 [c] 9 % size 6 11 EMPLOYMENT--------------------------------------------------- Version 52 base year--tract level---------- % with 2 employed (PT or FT) [c] 34 % 35+ hrs/wk 99 % employed (excl armed services) 103 Version 52 base year--PUMA level---------- % with 2 employed (PT or FT) [c] 34 % with 3 employed (PT or FT) 35 % 35+ hrs/wk 99 % 1-14 hrs/wk 101 % employed (excl armed services) 103 Version 316 base year--PUMA level---------- % with 2 employed (PT or FT) [c] 34 Version 52 backcast--tract level---------- % with 2 employed (PT or FT) 34 % 35+ hrs/wk 99 Version 52 backcast--PUMA level---------- % with 2 employed (PT or FT) 34 % with 3 employed (PT or FT) 35 % 35+ hrs/wk 99 % 1-14 hrs/wk 101 Version 316 backcast--PUMA level---------- % with 2 employed (PT or FT) 34 Max % Difference Mean % Difference (plus/minus one standard deviation) Min % Difference 8060402002080 60 40 (continued)
