From: Evaluating geographic imputation approaches for zip code level data: an application to a study of pediatric diabetes
Tract ID
Tract Area in ZCTA (km2)
Proportion Tract Area in ZCTA
Cumulative Proportion
Range
T1
171.37
0.84
0.00 - 0.84
T2
15.75
0.07
0.91
0.84 - 0.91
T3
9.77
0.05
0.96
0.91 - 0.96
T4
5.61
0.03
0.99
0.96 - 0.99
T5
0.01
1.00
0.99 - 1.00