Table 5.
Mean residual error in predicted germination time (days) as a function of species for the piece-wise linear (PWL) model for constant-temperature data
| Temp. (°C) | E. lanceolatus | P. spicata | P. secunda | E. elymoides |
|---|---|---|---|---|
| 3·1 | 0·0 (0·6) | −0·1 (1·3) | 0·0 (0·6) | −0·4 (2·9) |
| 4·8 | −0·1 (1·4) | 0·0 (0·9) | 0·0 (0·7) | −0·1 (1·8) |
| 6·6 | 0·0 (0·7) | −0·1 (0·8) | −0·1 (0·8) | −0·1 (1·1) |
| 8·3 | 0·0 (0·4) | −0·1 (0·8) | 0·0 (0·8) | 0·0 (1·0) |
| 9·9 | −0·1 (1·2) | 0·0 (0·3) | 0·0 (0·8) | 0·0 (0·8) |
| 11·9 | 0·0 (0·4) | 0·0 (0·2) | 0·0 (0·3) | −0·1 (0·8) |
| 13·5 | 0·0 (0·4) | 0·0 (0·1) | 0·0 (0·5) | −0·1 (0·7) |
| 15·3 | −0·1 (1·4) | 0·0 (0·1) | 0·0 (0·5) | 0·0 (0·2) |
| 16·9 | 0·0 (0·2) | 0·0 (0·2) | 0·0 (0·5) | 0·0 (0·2) |
| 18·7 | 0·0 (0·1) | 0·0 (0·1) | −0·1 (0·8) | 0·0 (0·2) |
| 20·3 | 0·0 (0·4) | 0·0 (0·1) | 0·0 (0·3) | 0·0 (0·1) |
| 22·1 | 0·0 (0·2) | 0·0 (0·2) | −0·1 (0·8) | 0·0 (0·1) |
| 24·0 | −0·1 (0·5) | 0·0 (0·2) | 0·3 (1·7) | 0·0 (0·3) |
| 25·7 | −0·1 (1·1) | 0·0 (0·2) | −0·1 (2·1) | 0·0 (0·2) |
| 27·5 | 0·1 (3·8) | 0·0 (0·3) | 1·7 (9·4) | −0·1 (0·9) |
| 29·0 | 0·4 (2·0) | 0·0 (0·3) | 4·4 (8·7) | 0·7 (1·6) |
| 30·9 | 0·9 (2·8) | 0·0 (0·3) | 6·0 (10·6) | 0·6 (2·0) |
| 32·6 | 1·8 (4·3) | 0·9 (5·0) | 9·3 (9·3) | 1·0 (2·6) |
| 34·4 | 4·0 (11·2) | 2·1 (6·8) | − | 2·9 (4·1) |
| 36·1 | − | 3·8 (5·0) | − | − |
Numbers in parentheses represent 1 standard deviation of the mean.