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Missingness patterns and their frequencies in the manifest items (1=observed and 0=missing).
| Size | Stage | Grade | ER | Freq. |
|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 8550 |
| 0 | 1 | 1 | 1 | 109 |
| 1 | 0 | 1 | 1 | 58 |
| 0 | 0 | 1 | 1 | 185 |
| 1 | 1 | 0 | 1 | 1000 |
| 0 | 1 | 0 | 1 | 31 |
| 1 | 0 | 0 | 1 | 55 |
| 0 | 0 | 0 | 1 | 96 |
| 1 | 1 | 1 | 0 | 2171 |
| 0 | 1 | 1 | 0 | 78 |
| 1 | 0 | 1 | 0 | 66 |
| 0 | 0 | 1 | 0 | 244 |
| 1 | 1 | 0 | 0 | 713 |
| 0 | 1 | 0 | 0 | 148 |
| 1 | 0 | 0 | 0 | 98 |
| 0 | 0 | 0 | 0 | 458 |
