| Here's a sample of the imported data - pick a likely 'id' variable... |
| Obs | X | Y | SEGMENT | AFFGEOID10 | ALAND10 | AWATER10 | GEOID10 | ZCTA5CE10 |
|---|---|---|---|---|---|---|---|---|
| 1 | -75.9944 | 39.5677 | 1 | 8600000US21914 | 1924479 | 477175 | 21914 | 21914 |
| 2 | -75.9902 | 39.5695 | 1 | 8600000US21914 | 1924479 | 477175 | 21914 | 21914 |
| 3 | -75.9881 | 39.5724 | 1 | 8600000US21914 | 1924479 | 477175 | 21914 | 21914 |
| 4 | -75.9893 | 39.5722 | 1 | 8600000US21914 | 1924479 | 477175 | 21914 | 21914 |
| 5 | -75.9932 | 39.5754 | 1 | 8600000US21914 | 1924479 | 477175 | 21914 | 21914 |