Table 5 Results of fitting the Chapman-Richards function to the lower 5% and the upper 95% percentiles of the age-height distribution for the joint German and French inventory data
Variable | Quantile curve | Parameter/function | Spruce | Beech | Pine | Douglas-fir | Sessile oak | Pedunculate oak |
|---|---|---|---|---|---|---|---|---|
Sample size | Â | N (Germany) = N (France) = | 10,552 914 | 5247 1595 | 9693 1372 | 1045 768 | 1929 2475 | 1647 2844 |
Chapman-Richards (CR) | Lower | A = k = p = | 26.16 0.0448 2.35 | 21.35 0.0232 1.15 | 16.22 0.0390 1.28 | 30.33 0.0553 2.54 | 20.37 0.0164 1.2 | 20.18 0.0176 1.05 |
Upper | A = k = p = | 42.01 0.0294 1.05 | 41.79 0.0208 0.86 | 35.01 0.0304 0.98 | 53.37 0.0301 1.29 | 34.69 0.0261 1.2 | 38.80 0.0095 0.51 |