Frequencies in the contingency analysis between species-specific tree growth patterns and types of surficial deposits.
| Species | Growth rate | Surficial deposits | ||
|---|---|---|---|---|
| Till | Clay | Sand-gravel | ||
| Norway maple | Slow | 7% | 38% | 55% |
| Fair | 28% | 31% | 41% | |
| Fast | 34% | 40% | 26% | |
| Green ash | Slow | 2% | 58% | 40% |
| Fair | 16% | 63% | 21% | |
| Fast | 19% | 65% | 16% | |
| Fastest | 16% | 77% | 7% | |
| Honeylocust | Slow | 11% | 57% | 31% |
| Fair | 13% | 70% | 17% | |
| Fast | 16% | 67% | 17% | |
| Fastest | 43% | 52% | 5% | |
| All-species matrix | Slow | 10% | 48% | 42% |
| Fair | 27% | 46% | 27% | |
| Fast | 23% | 57% | 20% | |
| Fastest | 29% | 51% | 20% | |